Home / 40,403.18-60,630.01-15,445.34

Finding the Fourth Proportional to 40,403.18, 60,630.01 and 15,445.34

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Solution

The fourth proportional to 40,403.18, 60,630.01 and 15,445.34 is: 23,177.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,403.18 : 60,630.01 = 15,445.34 : x
  2. Step 2: Convert to fraction form
    40,403.18/60,630.01 = 15,445.34/x
  3. Step 3: Cross multiply
    40,403.18x = 60,630.01 × 15,445.34
  4. Step 4: Simplify right side
    40,403.18x = 936,451,118.65
  5. Step 5: Solve for x
    x = 936,451,118.65/40,403.18
  6. Step 6: Final answer
    x = 23,177.66

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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.