Home / 40,607.56-60,920.03-12,146.74

Finding the Fourth Proportional to 40,607.56, 60,920.03 and 12,146.74

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Solution

The fourth proportional to 40,607.56, 60,920.03 and 12,146.74 is: 18,222.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,607.56 : 60,920.03 = 12,146.74 : x
  2. Step 2: Convert to fraction form
    40,607.56/60,920.03 = 12,146.74/x
  3. Step 3: Cross multiply
    40,607.56x = 60,920.03 × 12,146.74
  4. Step 4: Simplify right side
    40,607.56x = 739,979,765.20
  5. Step 5: Solve for x
    x = 739,979,765.20/40,607.56
  6. Step 6: Final answer
    x = 18,222.71

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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.