Home / 38,009.77-52,453.20-21,014.75

Finding the Fourth Proportional to 38,009.77, 52,453.20 and 21,014.75

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Solution

The fourth proportional to 38,009.77, 52,453.20 and 21,014.75 is: 29,000.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,009.77 : 52,453.20 = 21,014.75 : x
  2. Step 2: Convert to fraction form
    38,009.77/52,453.20 = 21,014.75/x
  3. Step 3: Cross multiply
    38,009.77x = 52,453.20 × 21,014.75
  4. Step 4: Simplify right side
    38,009.77x = 1,102,291,094.64
  5. Step 5: Solve for x
    x = 1,102,291,094.64/38,009.77
  6. Step 6: Final answer
    x = 29,000.21

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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.