Home / 42,244.13-63,366.21-12,661.97

Finding the Fourth Proportional to 42,244.13, 63,366.21 and 12,661.97

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Solution

The fourth proportional to 42,244.13, 63,366.21 and 12,661.97 is: 18,992.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,244.13 : 63,366.21 = 12,661.97 : x
  2. Step 2: Convert to fraction form
    42,244.13/63,366.21 = 12,661.97/x
  3. Step 3: Cross multiply
    42,244.13x = 63,366.21 × 12,661.97
  4. Step 4: Simplify right side
    42,244.13x = 802,340,733.20
  5. Step 5: Solve for x
    x = 802,340,733.20/42,244.13
  6. Step 6: Final answer
    x = 18,992.95

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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.