Home / 42,608.13-63,921.42-16,312.88

Finding the Fourth Proportional to 42,608.13, 63,921.42 and 16,312.88

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Solution

The fourth proportional to 42,608.13, 63,921.42 and 16,312.88 is: 24,472.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,608.13 : 63,921.42 = 16,312.88 : x
  2. Step 2: Convert to fraction form
    42,608.13/63,921.42 = 16,312.88/x
  3. Step 3: Cross multiply
    42,608.13x = 63,921.42 × 16,312.88
  4. Step 4: Simplify right side
    42,608.13x = 1,042,742,134.28
  5. Step 5: Solve for x
    x = 1,042,742,134.28/42,608.13
  6. Step 6: Final answer
    x = 24,472.84

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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.