Home / 42,451.64-63,677.52-12,869.49

Finding the Fourth Proportional to 42,451.64, 63,677.52 and 12,869.49

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Solution

The fourth proportional to 42,451.64, 63,677.52 and 12,869.49 is: 19,304.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,451.64 : 63,677.52 = 12,869.49 : x
  2. Step 2: Convert to fraction form
    42,451.64/63,677.52 = 12,869.49/x
  3. Step 3: Cross multiply
    42,451.64x = 63,677.52 × 12,869.49
  4. Step 4: Simplify right side
    42,451.64x = 819,497,206.86
  5. Step 5: Solve for x
    x = 819,497,206.86/42,451.64
  6. Step 6: Final answer
    x = 19,304.26

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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.