Home / 55,221.30-82,875.15-25,642.80

Finding the Fourth Proportional to 55,221.30, 82,875.15 and 25,642.80

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Solution

The fourth proportional to 55,221.30, 82,875.15 and 25,642.80 is: 38,484.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,221.30 : 82,875.15 = 25,642.80 : x
  2. Step 2: Convert to fraction form
    55,221.30/82,875.15 = 25,642.80/x
  3. Step 3: Cross multiply
    55,221.30x = 82,875.15 × 25,642.80
  4. Step 4: Simplify right side
    55,221.30x = 2,125,150,896.42
  5. Step 5: Solve for x
    x = 2,125,150,896.42/55,221.30
  6. Step 6: Final answer
    x = 38,484.26

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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.