Home / 71,515.95-107,288.68-23,488.18

Finding the Fourth Proportional to 71,515.95, 107,288.68 and 23,488.18

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Solution

The fourth proportional to 71,515.95, 107,288.68 and 23,488.18 is: 35,237.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,515.95 : 107,288.68 = 23,488.18 : x
  2. Step 2: Convert to fraction form
    71,515.95/107,288.68 = 23,488.18/x
  3. Step 3: Cross multiply
    71,515.95x = 107,288.68 × 23,488.18
  4. Step 4: Simplify right side
    71,515.95x = 2,520,015,827.80
  5. Step 5: Solve for x
    x = 2,520,015,827.80/71,515.95
  6. Step 6: Final answer
    x = 35,237.12

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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.