Home / 31,255.34-43,132.08-17,108.14

Finding the Fourth Proportional to 31,255.34, 43,132.08 and 17,108.14

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Solution

The fourth proportional to 31,255.34, 43,132.08 and 17,108.14 is: 23,609.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,255.34 : 43,132.08 = 17,108.14 : x
  2. Step 2: Convert to fraction form
    31,255.34/43,132.08 = 17,108.14/x
  3. Step 3: Cross multiply
    31,255.34x = 43,132.08 × 17,108.14
  4. Step 4: Simplify right side
    31,255.34x = 737,909,663.13
  5. Step 5: Solve for x
    x = 737,909,663.13/31,255.34
  6. Step 6: Final answer
    x = 23,609.07

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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.