Home / 42,608.14-63,921.43-16,312.88

Finding the Fourth Proportional to 42,608.14, 63,921.43 and 16,312.88

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Solution

The fourth proportional to 42,608.14, 63,921.43 and 16,312.88 is: 24,472.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,608.14 : 63,921.43 = 16,312.88 : x
  2. Step 2: Convert to fraction form
    42,608.14/63,921.43 = 16,312.88/x
  3. Step 3: Cross multiply
    42,608.14x = 63,921.43 × 16,312.88
  4. Step 4: Simplify right side
    42,608.14x = 1,042,742,617.02
  5. Step 5: Solve for x
    x = 1,042,742,617.02/42,608.14
  6. Step 6: Final answer
    x = 24,472.85

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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.