Home / 40,541.40-60,812.10-18,354.28

Finding the Fourth Proportional to 40,541.40, 60,812.10 and 18,354.28

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Solution

The fourth proportional to 40,541.40, 60,812.10 and 18,354.28 is: 27,531.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,541.40 : 60,812.10 = 18,354.28 : x
  2. Step 2: Convert to fraction form
    40,541.40/60,812.10 = 18,354.28/x
  3. Step 3: Cross multiply
    40,541.40x = 60,812.10 × 18,354.28
  4. Step 4: Simplify right side
    40,541.40x = 1,116,162,310.79
  5. Step 5: Solve for x
    x = 1,116,162,310.79/40,541.40
  6. Step 6: Final answer
    x = 27,531.42

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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.