Home / 45,026.78-67,541.04-13,862

Finding the Fourth Proportional to 45,026.78, 67,541.04 and 13,862

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Solution

The fourth proportional to 45,026.78, 67,541.04 and 13,862 is: 20,793.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,026.78 : 67,541.04 = 13,862 : x
  2. Step 2: Convert to fraction form
    45,026.78/67,541.04 = 13,862/x
  3. Step 3: Cross multiply
    45,026.78x = 67,541.04 × 13,862
  4. Step 4: Simplify right side
    45,026.78x = 936,253,896.48
  5. Step 5: Solve for x
    x = 936,253,896.48/45,026.78
  6. Step 6: Final answer
    x = 20,793.27

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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.