Home / 40,230.45-60,372-15,271.11

Finding the Fourth Proportional to 40,230.45, 60,372 and 15,271.11

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Solution

The fourth proportional to 40,230.45, 60,372 and 15,271.11 is: 22,916.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,230.45 : 60,372 = 15,271.11 : x
  2. Step 2: Convert to fraction form
    40,230.45/60,372 = 15,271.11/x
  3. Step 3: Cross multiply
    40,230.45x = 60,372 × 15,271.11
  4. Step 4: Simplify right side
    40,230.45x = 921,947,452.92
  5. Step 5: Solve for x
    x = 921,947,452.92/40,230.45
  6. Step 6: Final answer
    x = 22,916.66

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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.