Home / 82,587.40-123,881.42-23,421.32

Finding the Fourth Proportional to 82,587.40, 123,881.42 and 23,421.32

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Solution

The fourth proportional to 82,587.40, 123,881.42 and 23,421.32 is: 35,132.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,587.40 : 123,881.42 = 23,421.32 : x
  2. Step 2: Convert to fraction form
    82,587.40/123,881.42 = 23,421.32/x
  3. Step 3: Cross multiply
    82,587.40x = 123,881.42 × 23,421.32
  4. Step 4: Simplify right side
    82,587.40x = 2,901,466,379.87
  5. Step 5: Solve for x
    x = 2,901,466,379.87/82,587.40
  6. Step 6: Final answer
    x = 35,132.07

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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.