Home / 40,497.12-60,723-14,191.56

Finding the Fourth Proportional to 40,497.12, 60,723 and 14,191.56

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Solution

The fourth proportional to 40,497.12, 60,723 and 14,191.56 is: 21,279.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,497.12 : 60,723 = 14,191.56 : x
  2. Step 2: Convert to fraction form
    40,497.12/60,723 = 14,191.56/x
  3. Step 3: Cross multiply
    40,497.12x = 60,723 × 14,191.56
  4. Step 4: Simplify right side
    40,497.12x = 861,754,097.88
  5. Step 5: Solve for x
    x = 861,754,097.88/40,497.12
  6. Step 6: Final answer
    x = 21,279.39

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1.5x scale

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.