Home / 42,579.92-63,869.88-16,292.72

Finding the Fourth Proportional to 42,579.92, 63,869.88 and 16,292.72

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Solution

The fourth proportional to 42,579.92, 63,869.88 and 16,292.72 is: 24,439.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,579.92 : 63,869.88 = 16,292.72 : x
  2. Step 2: Convert to fraction form
    42,579.92/63,869.88 = 16,292.72/x
  3. Step 3: Cross multiply
    42,579.92x = 63,869.88 × 16,292.72
  4. Step 4: Simplify right side
    42,579.92x = 1,040,614,071.27
  5. Step 5: Solve for x
    x = 1,040,614,071.27/42,579.92
  6. Step 6: Final answer
    x = 24,439.08

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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.