Home / 40,029.43-60,043.11-13,011.62

Finding the Fourth Proportional to 40,029.43, 60,043.11 and 13,011.62

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Solution

The fourth proportional to 40,029.43, 60,043.11 and 13,011.62 is: 19,517.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,029.43 : 60,043.11 = 13,011.62 : x
  2. Step 2: Convert to fraction form
    40,029.43/60,043.11 = 13,011.62/x
  3. Step 3: Cross multiply
    40,029.43x = 60,043.11 × 13,011.62
  4. Step 4: Simplify right side
    40,029.43x = 781,258,281.05
  5. Step 5: Solve for x
    x = 781,258,281.05/40,029.43
  6. Step 6: Final answer
    x = 19,517.10

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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.