Home / 40,733.72-61,069.28-15,432.86

Finding the Fourth Proportional to 40,733.72, 61,069.28 and 15,432.86

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Solution

The fourth proportional to 40,733.72, 61,069.28 and 15,432.86 is: 23,137.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,733.72 : 61,069.28 = 15,432.86 : x
  2. Step 2: Convert to fraction form
    40,733.72/61,069.28 = 15,432.86/x
  3. Step 3: Cross multiply
    40,733.72x = 61,069.28 × 15,432.86
  4. Step 4: Simplify right side
    40,733.72x = 942,473,724.05
  5. Step 5: Solve for x
    x = 942,473,724.05/40,733.72
  6. Step 6: Final answer
    x = 23,137.43

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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.