Home / 55,149.84-82,691.40-21,874.32

Finding the Fourth Proportional to 55,149.84, 82,691.40 and 21,874.32

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Solution

The fourth proportional to 55,149.84, 82,691.40 and 21,874.32 is: 32,798.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,149.84 : 82,691.40 = 21,874.32 : x
  2. Step 2: Convert to fraction form
    55,149.84/82,691.40 = 21,874.32/x
  3. Step 3: Cross multiply
    55,149.84x = 82,691.40 × 21,874.32
  4. Step 4: Simplify right side
    55,149.84x = 1,808,818,144.85
  5. Step 5: Solve for x
    x = 1,808,818,144.85/55,149.84
  6. Step 6: Final answer
    x = 32,798.25

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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.