Home / 54,710.55-82,032.98-21,390.92

Finding the Fourth Proportional to 54,710.55, 82,032.98 and 21,390.92

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Solution

The fourth proportional to 54,710.55, 82,032.98 and 21,390.92 is: 32,073.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,710.55 : 82,032.98 = 21,390.92 : x
  2. Step 2: Convert to fraction form
    54,710.55/82,032.98 = 21,390.92/x
  3. Step 3: Cross multiply
    54,710.55x = 82,032.98 × 21,390.92
  4. Step 4: Simplify right side
    54,710.55x = 1,754,760,395.42
  5. Step 5: Solve for x
    x = 1,754,760,395.42/54,710.55
  6. Step 6: Final answer
    x = 32,073.53

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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.