Home / 29,979.57-44,960.85-8,918.76

Finding the Fourth Proportional to 29,979.57, 44,960.85 and 8,918.76

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Solution

The fourth proportional to 29,979.57, 44,960.85 and 8,918.76 is: 13,375.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,979.57 : 44,960.85 = 8,918.76 : x
  2. Step 2: Convert to fraction form
    29,979.57/44,960.85 = 8,918.76/x
  3. Step 3: Cross multiply
    29,979.57x = 44,960.85 × 8,918.76
  4. Step 4: Simplify right side
    29,979.57x = 400,995,030.55
  5. Step 5: Solve for x
    x = 400,995,030.55/29,979.57
  6. Step 6: Final answer
    x = 13,375.61

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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.