Home / 82,427.80-123,587.08-29,830.44

Finding the Fourth Proportional to 82,427.80, 123,587.08 and 29,830.44

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Solution

The fourth proportional to 82,427.80, 123,587.08 and 29,830.44 is: 44,725.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,427.80 : 123,587.08 = 29,830.44 : x
  2. Step 2: Convert to fraction form
    82,427.80/123,587.08 = 29,830.44/x
  3. Step 3: Cross multiply
    82,427.80x = 123,587.08 × 29,830.44
  4. Step 4: Simplify right side
    82,427.80x = 3,686,656,974.72
  5. Step 5: Solve for x
    x = 3,686,656,974.72/82,427.80
  6. Step 6: Final answer
    x = 44,725.89

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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.