Home / 42,487.18-63,732.93-16,187.02

Finding the Fourth Proportional to 42,487.18, 63,732.93 and 16,187.02

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Solution

The fourth proportional to 42,487.18, 63,732.93 and 16,187.02 is: 24,281.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,487.18 : 63,732.93 = 16,187.02 : x
  2. Step 2: Convert to fraction form
    42,487.18/63,732.93 = 16,187.02/x
  3. Step 3: Cross multiply
    42,487.18x = 63,732.93 × 16,187.02
  4. Step 4: Simplify right side
    42,487.18x = 1,031,646,212.57
  5. Step 5: Solve for x
    x = 1,031,646,212.57/42,487.18
  6. Step 6: Final answer
    x = 24,281.35

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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.