Home / 42,167.79-63,251.70-12,606.41

Finding the Fourth Proportional to 42,167.79, 63,251.70 and 12,606.41

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Solution

The fourth proportional to 42,167.79, 63,251.70 and 12,606.41 is: 18,909.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,167.79 : 63,251.70 = 12,606.41 : x
  2. Step 2: Convert to fraction form
    42,167.79/63,251.70 = 12,606.41/x
  3. Step 3: Cross multiply
    42,167.79x = 63,251.70 × 12,606.41
  4. Step 4: Simplify right side
    42,167.79x = 797,376,547.14
  5. Step 5: Solve for x
    x = 797,376,547.14/42,167.79
  6. Step 6: Final answer
    x = 18,909.61

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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.