Home / 42,657.61-63,986.41-14,577.91

Finding the Fourth Proportional to 42,657.61, 63,986.41 and 14,577.91

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Solution

The fourth proportional to 42,657.61, 63,986.41 and 14,577.91 is: 21,866.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,657.61 : 63,986.41 = 14,577.91 : x
  2. Step 2: Convert to fraction form
    42,657.61/63,986.41 = 14,577.91/x
  3. Step 3: Cross multiply
    42,657.61x = 63,986.41 × 14,577.91
  4. Step 4: Simplify right side
    42,657.61x = 932,788,126.20
  5. Step 5: Solve for x
    x = 932,788,126.20/42,657.61
  6. Step 6: Final answer
    x = 21,866.86

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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.