Home / 40,370.24-60,559.49-15,431.28

Finding the Fourth Proportional to 40,370.24, 60,559.49 and 15,431.28

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Solution

The fourth proportional to 40,370.24, 60,559.49 and 15,431.28 is: 23,148.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,370.24 : 60,559.49 = 15,431.28 : x
  2. Step 2: Convert to fraction form
    40,370.24/60,559.49 = 15,431.28/x
  3. Step 3: Cross multiply
    40,370.24x = 60,559.49 × 15,431.28
  4. Step 4: Simplify right side
    40,370.24x = 934,510,446.85
  5. Step 5: Solve for x
    x = 934,510,446.85/40,370.24
  6. Step 6: Final answer
    x = 23,148.50

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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.