Home / 31,399.60-43,331.52-17,253.04

Finding the Fourth Proportional to 31,399.60, 43,331.52 and 17,253.04

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Solution

The fourth proportional to 31,399.60, 43,331.52 and 17,253.04 is: 23,809.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,399.60 : 43,331.52 = 17,253.04 : x
  2. Step 2: Convert to fraction form
    31,399.60/43,331.52 = 17,253.04/x
  3. Step 3: Cross multiply
    31,399.60x = 43,331.52 × 17,253.04
  4. Step 4: Simplify right side
    31,399.60x = 747,600,447.82
  5. Step 5: Solve for x
    x = 747,600,447.82/31,399.60
  6. Step 6: Final answer
    x = 23,809.23

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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.