Home / 39,177.53-54,063.50-21,272.14

Finding the Fourth Proportional to 39,177.53, 54,063.50 and 21,272.14

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Solution

The fourth proportional to 39,177.53, 54,063.50 and 21,272.14 is: 29,354.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,177.53 : 54,063.50 = 21,272.14 : x
  2. Step 2: Convert to fraction form
    39,177.53/54,063.50 = 21,272.14/x
  3. Step 3: Cross multiply
    39,177.53x = 54,063.50 × 21,272.14
  4. Step 4: Simplify right side
    39,177.53x = 1,150,046,340.89
  5. Step 5: Solve for x
    x = 1,150,046,340.89/39,177.53
  6. Step 6: Final answer
    x = 29,354.74

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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.