Home / 42,422.13-63,633.20-16,120.62

Finding the Fourth Proportional to 42,422.13, 63,633.20 and 16,120.62

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Solution

The fourth proportional to 42,422.13, 63,633.20 and 16,120.62 is: 24,180.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,422.13 : 63,633.20 = 16,120.62 : x
  2. Step 2: Convert to fraction form
    42,422.13/63,633.20 = 16,120.62/x
  3. Step 3: Cross multiply
    42,422.13x = 63,633.20 × 16,120.62
  4. Step 4: Simplify right side
    42,422.13x = 1,025,806,555.98
  5. Step 5: Solve for x
    x = 1,025,806,555.98/42,422.13
  6. Step 6: Final answer
    x = 24,180.93

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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.