Home / 38,003.52-52,444.08-20,775.63

Finding the Fourth Proportional to 38,003.52, 52,444.08 and 20,775.63

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Solution

The fourth proportional to 38,003.52, 52,444.08 and 20,775.63 is: 28,669.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,003.52 : 52,444.08 = 20,775.63 : x
  2. Step 2: Convert to fraction form
    38,003.52/52,444.08 = 20,775.63/x
  3. Step 3: Cross multiply
    38,003.52x = 52,444.08 × 20,775.63
  4. Step 4: Simplify right side
    38,003.52x = 1,089,558,801.77
  5. Step 5: Solve for x
    x = 1,089,558,801.77/38,003.52
  6. Step 6: Final answer
    x = 28,669.94

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Half scale
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Double scale
Find fourth proportional to 38,004.52, 52,445.46 and 20,776.63
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.