Home / 39,236.10-58,851.45-12,581.70

Finding the Fourth Proportional to 39,236.10, 58,851.45 and 12,581.70

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Solution

The fourth proportional to 39,236.10, 58,851.45 and 12,581.70 is: 18,871.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,236.10 : 58,851.45 = 12,581.70 : x
  2. Step 2: Convert to fraction form
    39,236.10/58,851.45 = 12,581.70/x
  3. Step 3: Cross multiply
    39,236.10x = 58,851.45 × 12,581.70
  4. Step 4: Simplify right side
    39,236.10x = 740,451,288.47
  5. Step 5: Solve for x
    x = 740,451,288.47/39,236.10
  6. Step 6: Final answer
    x = 18,871.68

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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.