Home / 40,246.05-60,377.72-12,163.89

Finding the Fourth Proportional to 40,246.05, 60,377.72 and 12,163.89

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Solution

The fourth proportional to 40,246.05, 60,377.72 and 12,163.89 is: 18,248.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,246.05 : 60,377.72 = 12,163.89 : x
  2. Step 2: Convert to fraction form
    40,246.05/60,377.72 = 12,163.89/x
  3. Step 3: Cross multiply
    40,246.05x = 60,377.72 × 12,163.89
  4. Step 4: Simplify right side
    40,246.05x = 734,427,883.71
  5. Step 5: Solve for x
    x = 734,427,883.71/40,246.05
  6. Step 6: Final answer
    x = 18,248.45

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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.