Home / 31,503.43-43,475.07-17,356.78

Finding the Fourth Proportional to 31,503.43, 43,475.07 and 17,356.78

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Solution

The fourth proportional to 31,503.43, 43,475.07 and 17,356.78 is: 23,952.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,503.43 : 43,475.07 = 17,356.78 : x
  2. Step 2: Convert to fraction form
    31,503.43/43,475.07 = 17,356.78/x
  3. Step 3: Cross multiply
    31,503.43x = 43,475.07 × 17,356.78
  4. Step 4: Simplify right side
    31,503.43x = 754,587,225.47
  5. Step 5: Solve for x
    x = 754,587,225.47/31,503.43
  6. Step 6: Final answer
    x = 23,952.54

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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.