Home / 31,715.28-43,767.06-17,569.02

Finding the Fourth Proportional to 31,715.28, 43,767.06 and 17,569.02

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Solution

The fourth proportional to 31,715.28, 43,767.06 and 17,569.02 is: 24,245.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,715.28 : 43,767.06 = 17,569.02 : x
  2. Step 2: Convert to fraction form
    31,715.28/43,767.06 = 17,569.02/x
  3. Step 3: Cross multiply
    31,715.28x = 43,767.06 × 17,569.02
  4. Step 4: Simplify right side
    31,715.28x = 768,944,352.48
  5. Step 5: Solve for x
    x = 768,944,352.48/31,715.28
  6. Step 6: Final answer
    x = 24,245.23

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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.