Home / 45,007.92-67,517.28-15,431.04

Finding the Fourth Proportional to 45,007.92, 67,517.28 and 15,431.04

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Solution

The fourth proportional to 45,007.92, 67,517.28 and 15,431.04 is: 23,148.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,007.92 : 67,517.28 = 15,431.04 : x
  2. Step 2: Convert to fraction form
    45,007.92/67,517.28 = 15,431.04/x
  3. Step 3: Cross multiply
    45,007.92x = 67,517.28 × 15,431.04
  4. Step 4: Simplify right side
    45,007.92x = 1,041,861,848.37
  5. Step 5: Solve for x
    x = 1,041,861,848.37/45,007.92
  6. Step 6: Final answer
    x = 23,148.41

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1.5x scale

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.