Home / 40,370.25-60,559.50-15,431.29

Finding the Fourth Proportional to 40,370.25, 60,559.50 and 15,431.29

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Solution

The fourth proportional to 40,370.25, 60,559.50 and 15,431.29 is: 23,148.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,370.25 : 60,559.50 = 15,431.29 : x
  2. Step 2: Convert to fraction form
    40,370.25/60,559.50 = 15,431.29/x
  3. Step 3: Cross multiply
    40,370.25x = 60,559.50 × 15,431.29
  4. Step 4: Simplify right side
    40,370.25x = 934,510,826.80
  5. Step 5: Solve for x
    x = 934,510,826.80/40,370.25
  6. Step 6: Final answer
    x = 23,148.51

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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.