Home / 82,488.30-123,732.40-29,897.70

Finding the Fourth Proportional to 82,488.30, 123,732.40 and 29,897.70

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Solution

The fourth proportional to 82,488.30, 123,732.40 and 29,897.70 is: 44,846.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,488.30 : 123,732.40 = 29,897.70 : x
  2. Step 2: Convert to fraction form
    82,488.30/123,732.40 = 29,897.70/x
  3. Step 3: Cross multiply
    82,488.30x = 123,732.40 × 29,897.70
  4. Step 4: Simplify right side
    82,488.30x = 3,699,314,175.48
  5. Step 5: Solve for x
    x = 3,699,314,175.48/82,488.30
  6. Step 6: Final answer
    x = 44,846.53

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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.