Home / 40,511.40-60,738.30-15,541.80

Finding the Fourth Proportional to 40,511.40, 60,738.30 and 15,541.80

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Solution

The fourth proportional to 40,511.40, 60,738.30 and 15,541.80 is: 23,301.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,511.40 : 60,738.30 = 15,541.80 : x
  2. Step 2: Convert to fraction form
    40,511.40/60,738.30 = 15,541.80/x
  3. Step 3: Cross multiply
    40,511.40x = 60,738.30 × 15,541.80
  4. Step 4: Simplify right side
    40,511.40x = 943,982,510.94
  5. Step 5: Solve for x
    x = 943,982,510.94/40,511.40
  6. Step 6: Final answer
    x = 23,301.65

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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.