Home / 47,564.40-65,618.28-28,691.04

Finding the Fourth Proportional to 47,564.40, 65,618.28 and 28,691.04

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Solution

The fourth proportional to 47,564.40, 65,618.28 and 28,691.04 is: 39,581.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,564.40 : 65,618.28 = 28,691.04 : x
  2. Step 2: Convert to fraction form
    47,564.40/65,618.28 = 28,691.04/x
  3. Step 3: Cross multiply
    47,564.40x = 65,618.28 × 28,691.04
  4. Step 4: Simplify right side
    47,564.40x = 1,882,656,696.21
  5. Step 5: Solve for x
    x = 1,882,656,696.21/47,564.40
  6. Step 6: Final answer
    x = 39,581.21

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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.