Home / 42,451.85-63,677.70-11,287.10

Finding the Fourth Proportional to 42,451.85, 63,677.70 and 11,287.10

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Solution

The fourth proportional to 42,451.85, 63,677.70 and 11,287.10 is: 16,930.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,451.85 : 63,677.70 = 11,287.10 : x
  2. Step 2: Convert to fraction form
    42,451.85/63,677.70 = 11,287.10/x
  3. Step 3: Cross multiply
    42,451.85x = 63,677.70 × 11,287.10
  4. Step 4: Simplify right side
    42,451.85x = 718,736,249.28
  5. Step 5: Solve for x
    x = 718,736,249.28/42,451.85
  6. Step 6: Final answer
    x = 16,930.62

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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.