Home / 31,282.64-43,168.37-17,132.75

Finding the Fourth Proportional to 31,282.64, 43,168.37 and 17,132.75

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Solution

The fourth proportional to 31,282.64, 43,168.37 and 17,132.75 is: 23,642.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,282.64 : 43,168.37 = 17,132.75 : x
  2. Step 2: Convert to fraction form
    31,282.64/43,168.37 = 17,132.75/x
  3. Step 3: Cross multiply
    31,282.64x = 43,168.37 × 17,132.75
  4. Step 4: Simplify right side
    31,282.64x = 739,592,589.61
  5. Step 5: Solve for x
    x = 739,592,589.61/31,282.64
  6. Step 6: Final answer
    x = 23,642.27

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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.