Home / 32,387.40-48,581.11-12,652.12

Finding the Fourth Proportional to 32,387.40, 48,581.11 and 12,652.12

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Solution

The fourth proportional to 32,387.40, 48,581.11 and 12,652.12 is: 18,978.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,387.40 : 48,581.11 = 12,652.12 : x
  2. Step 2: Convert to fraction form
    32,387.40/48,581.11 = 12,652.12/x
  3. Step 3: Cross multiply
    32,387.40x = 48,581.11 × 12,652.12
  4. Step 4: Simplify right side
    32,387.40x = 614,654,033.45
  5. Step 5: Solve for x
    x = 614,654,033.45/32,387.40
  6. Step 6: Final answer
    x = 18,978.18

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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.