Home / 31,402.15-43,334.46-17,254.69

Finding the Fourth Proportional to 31,402.15, 43,334.46 and 17,254.69

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Solution

The fourth proportional to 31,402.15, 43,334.46 and 17,254.69 is: 23,811.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,402.15 : 43,334.46 = 17,254.69 : x
  2. Step 2: Convert to fraction form
    31,402.15/43,334.46 = 17,254.69/x
  3. Step 3: Cross multiply
    31,402.15x = 43,334.46 × 17,254.69
  4. Step 4: Simplify right side
    31,402.15x = 747,722,673.62
  5. Step 5: Solve for x
    x = 747,722,673.62/31,402.15
  6. Step 6: Final answer
    x = 23,811.19

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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.