Home / 42,077.20-63,063.17-21,023.13

Finding the Fourth Proportional to 42,077.20, 63,063.17 and 21,023.13

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Solution

The fourth proportional to 42,077.20, 63,063.17 and 21,023.13 is: 31,508.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,077.20 : 63,063.17 = 21,023.13 : x
  2. Step 2: Convert to fraction form
    42,077.20/63,063.17 = 21,023.13/x
  3. Step 3: Cross multiply
    42,077.20x = 63,063.17 × 21,023.13
  4. Step 4: Simplify right side
    42,077.20x = 1,325,785,510.17
  5. Step 5: Solve for x
    x = 1,325,785,510.17/42,077.20
  6. Step 6: Final answer
    x = 31,508.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.