Home / 40,346.55-60,478.11-15,379.89

Finding the Fourth Proportional to 40,346.55, 60,478.11 and 15,379.89

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Solution

The fourth proportional to 40,346.55, 60,478.11 and 15,379.89 is: 23,053.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,346.55 : 60,478.11 = 15,379.89 : x
  2. Step 2: Convert to fraction form
    40,346.55/60,478.11 = 15,379.89/x
  3. Step 3: Cross multiply
    40,346.55x = 60,478.11 × 15,379.89
  4. Step 4: Simplify right side
    40,346.55x = 930,146,679.21
  5. Step 5: Solve for x
    x = 930,146,679.21/40,346.55
  6. Step 6: Final answer
    x = 23,053.93

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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.