Home / 38,136.07-52,627.85-21,140.58

Finding the Fourth Proportional to 38,136.07, 52,627.85 and 21,140.58

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Solution

The fourth proportional to 38,136.07, 52,627.85 and 21,140.58 is: 29,174.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,136.07 : 52,627.85 = 21,140.58 : x
  2. Step 2: Convert to fraction form
    38,136.07/52,627.85 = 21,140.58/x
  3. Step 3: Cross multiply
    38,136.07x = 52,627.85 × 21,140.58
  4. Step 4: Simplify right side
    38,136.07x = 1,112,583,273.15
  5. Step 5: Solve for x
    x = 1,112,583,273.15/38,136.07
  6. Step 6: Final answer
    x = 29,174.04

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Double scale
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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.