Home / 55,017.48-82,553.50-21,761.40

Finding the Fourth Proportional to 55,017.48, 82,553.50 and 21,761.40

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Solution

The fourth proportional to 55,017.48, 82,553.50 and 21,761.40 is: 32,652.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,017.48 : 82,553.50 = 21,761.40 : x
  2. Step 2: Convert to fraction form
    55,017.48/82,553.50 = 21,761.40/x
  3. Step 3: Cross multiply
    55,017.48x = 82,553.50 × 21,761.40
  4. Step 4: Simplify right side
    55,017.48x = 1,796,479,734.90
  5. Step 5: Solve for x
    x = 1,796,479,734.90/55,017.48
  6. Step 6: Final answer
    x = 32,652.89

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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.