Home / 29,382.68-40,581.18-19,934.84

Finding the Fourth Proportional to 29,382.68, 40,581.18 and 19,934.84

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Solution

The fourth proportional to 29,382.68, 40,581.18 and 19,934.84 is: 27,532.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,382.68 : 40,581.18 = 19,934.84 : x
  2. Step 2: Convert to fraction form
    29,382.68/40,581.18 = 19,934.84/x
  3. Step 3: Cross multiply
    29,382.68x = 40,581.18 × 19,934.84
  4. Step 4: Simplify right side
    29,382.68x = 808,979,330.31
  5. Step 5: Solve for x
    x = 808,979,330.31/29,382.68
  6. Step 6: Final answer
    x = 27,532.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.