Home / 42,486.18-63,731.43-16,186.02

Finding the Fourth Proportional to 42,486.18, 63,731.43 and 16,186.02

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Solution

The fourth proportional to 42,486.18, 63,731.43 and 16,186.02 is: 24,279.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,486.18 : 63,731.43 = 16,186.02 : x
  2. Step 2: Convert to fraction form
    42,486.18/63,731.43 = 16,186.02/x
  3. Step 3: Cross multiply
    42,486.18x = 63,731.43 × 16,186.02
  4. Step 4: Simplify right side
    42,486.18x = 1,031,558,200.61
  5. Step 5: Solve for x
    x = 1,031,558,200.61/42,486.18
  6. Step 6: Final answer
    x = 24,279.85

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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.