Home / 40,211.28-60,337.04-18,040.50

Finding the Fourth Proportional to 40,211.28, 60,337.04 and 18,040.50

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Solution

The fourth proportional to 40,211.28, 60,337.04 and 18,040.50 is: 27,069.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,211.28 : 60,337.04 = 18,040.50 : x
  2. Step 2: Convert to fraction form
    40,211.28/60,337.04 = 18,040.50/x
  3. Step 3: Cross multiply
    40,211.28x = 60,337.04 × 18,040.50
  4. Step 4: Simplify right side
    40,211.28x = 1,088,510,279.92
  5. Step 5: Solve for x
    x = 1,088,510,279.92/40,211.28
  6. Step 6: Final answer
    x = 27,069.77

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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.