Home / 55,023.78-82,541.13-19,966.17

Finding the Fourth Proportional to 55,023.78, 82,541.13 and 19,966.17

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Solution

The fourth proportional to 55,023.78, 82,541.13 and 19,966.17 is: 29,951.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,023.78 : 82,541.13 = 19,966.17 : x
  2. Step 2: Convert to fraction form
    55,023.78/82,541.13 = 19,966.17/x
  3. Step 3: Cross multiply
    55,023.78x = 82,541.13 × 19,966.17
  4. Step 4: Simplify right side
    55,023.78x = 1,648,030,233.57
  5. Step 5: Solve for x
    x = 1,648,030,233.57/55,023.78
  6. Step 6: Final answer
    x = 29,951.24

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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.