Home / 42,160.67-63,249.31-12,577.85

Finding the Fourth Proportional to 42,160.67, 63,249.31 and 12,577.85

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Solution

The fourth proportional to 42,160.67, 63,249.31 and 12,577.85 is: 18,869.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,160.67 : 63,249.31 = 12,577.85 : x
  2. Step 2: Convert to fraction form
    42,160.67/63,249.31 = 12,577.85/x
  3. Step 3: Cross multiply
    42,160.67x = 63,249.31 × 12,577.85
  4. Step 4: Simplify right side
    42,160.67x = 795,540,460.46
  5. Step 5: Solve for x
    x = 795,540,460.46/42,160.67
  6. Step 6: Final answer
    x = 18,869.25

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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.