Home / 55,000.42-82,502.15-19,456.71

Finding the Fourth Proportional to 55,000.42, 82,502.15 and 19,456.71

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Solution

The fourth proportional to 55,000.42, 82,502.15 and 19,456.71 is: 29,185.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,000.42 : 82,502.15 = 19,456.71 : x
  2. Step 2: Convert to fraction form
    55,000.42/82,502.15 = 19,456.71/x
  3. Step 3: Cross multiply
    55,000.42x = 82,502.15 × 19,456.71
  4. Step 4: Simplify right side
    55,000.42x = 1,605,220,000.26
  5. Step 5: Solve for x
    x = 1,605,220,000.26/55,000.42
  6. Step 6: Final answer
    x = 29,185.60

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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.