Home / 29,359.20-43,938.60-18,680.16

Finding the Fourth Proportional to 29,359.20, 43,938.60 and 18,680.16

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Solution

The fourth proportional to 29,359.20, 43,938.60 and 18,680.16 is: 27,956.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,359.20 : 43,938.60 = 18,680.16 : x
  2. Step 2: Convert to fraction form
    29,359.20/43,938.60 = 18,680.16/x
  3. Step 3: Cross multiply
    29,359.20x = 43,938.60 × 18,680.16
  4. Step 4: Simplify right side
    29,359.20x = 820,780,078.18
  5. Step 5: Solve for x
    x = 820,780,078.18/29,359.20
  6. Step 6: Final answer
    x = 27,956.49

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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.