Home / 42,381.76-63,548-16,072.14

Finding the Fourth Proportional to 42,381.76, 63,548 and 16,072.14

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Solution

The fourth proportional to 42,381.76, 63,548 and 16,072.14 is: 24,098.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,381.76 : 63,548 = 16,072.14 : x
  2. Step 2: Convert to fraction form
    42,381.76/63,548 = 16,072.14/x
  3. Step 3: Cross multiply
    42,381.76x = 63,548 × 16,072.14
  4. Step 4: Simplify right side
    42,381.76x = 1,021,352,352.72
  5. Step 5: Solve for x
    x = 1,021,352,352.72/42,381.76
  6. Step 6: Final answer
    x = 24,098.87

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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.