Home / 42,331.10-63,451.85-15,659.96

Finding the Fourth Proportional to 42,331.10, 63,451.85 and 15,659.96

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Solution

The fourth proportional to 42,331.10, 63,451.85 and 15,659.96 is: 23,473.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,331.10 : 63,451.85 = 15,659.96 : x
  2. Step 2: Convert to fraction form
    42,331.10/63,451.85 = 15,659.96/x
  3. Step 3: Cross multiply
    42,331.10x = 63,451.85 × 15,659.96
  4. Step 4: Simplify right side
    42,331.10x = 993,653,037.37
  5. Step 5: Solve for x
    x = 993,653,037.37/42,331.10
  6. Step 6: Final answer
    x = 23,473.36

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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.