Home / 31,279.53-43,164.12-17,132.07

Finding the Fourth Proportional to 31,279.53, 43,164.12 and 17,132.07

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Solution

The fourth proportional to 31,279.53, 43,164.12 and 17,132.07 is: 23,641.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,279.53 : 43,164.12 = 17,132.07 : x
  2. Step 2: Convert to fraction form
    31,279.53/43,164.12 = 17,132.07/x
  3. Step 3: Cross multiply
    31,279.53x = 43,164.12 × 17,132.07
  4. Step 4: Simplify right side
    31,279.53x = 739,490,725.33
  5. Step 5: Solve for x
    x = 739,490,725.33/31,279.53
  6. Step 6: Final answer
    x = 23,641.36

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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.