Home / 51,819.01-71,517.13-38,428.49

Finding the Fourth Proportional to 51,819.01, 71,517.13 and 38,428.49

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Solution

The fourth proportional to 51,819.01, 71,517.13 and 38,428.49 is: 53,036.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,819.01 : 71,517.13 = 38,428.49 : x
  2. Step 2: Convert to fraction form
    51,819.01/71,517.13 = 38,428.49/x
  3. Step 3: Cross multiply
    51,819.01x = 71,517.13 × 38,428.49
  4. Step 4: Simplify right side
    51,819.01x = 2,748,295,397.76
  5. Step 5: Solve for x
    x = 2,748,295,397.76/51,819.01
  6. Step 6: Final answer
    x = 53,036.43

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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.