Home / 29,020.76-43,534.28-12,382.56

Finding the Fourth Proportional to 29,020.76, 43,534.28 and 12,382.56

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Solution

The fourth proportional to 29,020.76, 43,534.28 and 12,382.56 is: 18,575.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,020.76 : 43,534.28 = 12,382.56 : x
  2. Step 2: Convert to fraction form
    29,020.76/43,534.28 = 12,382.56/x
  3. Step 3: Cross multiply
    29,020.76x = 43,534.28 × 12,382.56
  4. Step 4: Simplify right side
    29,020.76x = 539,065,834.16
  5. Step 5: Solve for x
    x = 539,065,834.16/29,020.76
  6. Step 6: Final answer
    x = 18,575.18

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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.