Home / 82,279.74-123,419.58-19,950.24

Finding the Fourth Proportional to 82,279.74, 123,419.58 and 19,950.24

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Solution

The fourth proportional to 82,279.74, 123,419.58 and 19,950.24 is: 29,925.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,279.74 : 123,419.58 = 19,950.24 : x
  2. Step 2: Convert to fraction form
    82,279.74/123,419.58 = 19,950.24/x
  3. Step 3: Cross multiply
    82,279.74x = 123,419.58 × 19,950.24
  4. Step 4: Simplify right side
    82,279.74x = 2,462,250,241.70
  5. Step 5: Solve for x
    x = 2,462,250,241.70/82,279.74
  6. Step 6: Final answer
    x = 29,925.35

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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.