Home / 38,537.83-53,181.06-21,542.15

Finding the Fourth Proportional to 38,537.83, 53,181.06 and 21,542.15

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Solution

The fourth proportional to 38,537.83, 53,181.06 and 21,542.15 is: 29,727.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,537.83 : 53,181.06 = 21,542.15 : x
  2. Step 2: Convert to fraction form
    38,537.83/53,181.06 = 21,542.15/x
  3. Step 3: Cross multiply
    38,537.83x = 53,181.06 × 21,542.15
  4. Step 4: Simplify right side
    38,537.83x = 1,145,634,423.85
  5. Step 5: Solve for x
    x = 1,145,634,423.85/38,537.83
  6. Step 6: Final answer
    x = 29,727.53

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Half scale
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Double scale
Find fourth proportional to 38,538.83, 53,182.44 and 21,543.15
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.