Home / 42,206.47-63,310.61-12,625.47

Finding the Fourth Proportional to 42,206.47, 63,310.61 and 12,625.47

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Solution

The fourth proportional to 42,206.47, 63,310.61 and 12,625.47 is: 18,938.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,206.47 : 63,310.61 = 12,625.47 : x
  2. Step 2: Convert to fraction form
    42,206.47/63,310.61 = 12,625.47/x
  3. Step 3: Cross multiply
    42,206.47x = 63,310.61 × 12,625.47
  4. Step 4: Simplify right side
    42,206.47x = 799,326,238.80
  5. Step 5: Solve for x
    x = 799,326,238.80/42,206.47
  6. Step 6: Final answer
    x = 18,938.48

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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.