Home / 41,144.08-61,716.12-9,979.28

Finding the Fourth Proportional to 41,144.08, 61,716.12 and 9,979.28

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Solution

The fourth proportional to 41,144.08, 61,716.12 and 9,979.28 is: 14,968.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,144.08 : 61,716.12 = 9,979.28 : x
  2. Step 2: Convert to fraction form
    41,144.08/61,716.12 = 9,979.28/x
  3. Step 3: Cross multiply
    41,144.08x = 61,716.12 × 9,979.28
  4. Step 4: Simplify right side
    41,144.08x = 615,882,441.99
  5. Step 5: Solve for x
    x = 615,882,441.99/41,144.08
  6. Step 6: Final answer
    x = 14,968.92

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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.