Home / 82,399.32-123,610.82-25,477.66

Finding the Fourth Proportional to 82,399.32, 123,610.82 and 25,477.66

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Solution

The fourth proportional to 82,399.32, 123,610.82 and 25,477.66 is: 38,220.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,399.32 : 123,610.82 = 25,477.66 : x
  2. Step 2: Convert to fraction form
    82,399.32/123,610.82 = 25,477.66/x
  3. Step 3: Cross multiply
    82,399.32x = 123,610.82 × 25,477.66
  4. Step 4: Simplify right side
    82,399.32x = 3,149,314,444.28
  5. Step 5: Solve for x
    x = 3,149,314,444.28/82,399.32
  6. Step 6: Final answer
    x = 38,220.15

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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.