Home / 82,281.76-123,423.04-19,952.24

Finding the Fourth Proportional to 82,281.76, 123,423.04 and 19,952.24

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Solution

The fourth proportional to 82,281.76, 123,423.04 and 19,952.24 is: 29,928.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,281.76 : 123,423.04 = 19,952.24 : x
  2. Step 2: Convert to fraction form
    82,281.76/123,423.04 = 19,952.24/x
  3. Step 3: Cross multiply
    82,281.76x = 123,423.04 × 19,952.24
  4. Step 4: Simplify right side
    82,281.76x = 2,462,566,115.61
  5. Step 5: Solve for x
    x = 2,462,566,115.61/82,281.76
  6. Step 6: Final answer
    x = 29,928.46

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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.