Home / 31,401.11-43,333.52-17,254.86

Finding the Fourth Proportional to 31,401.11, 43,333.52 and 17,254.86

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Solution

The fourth proportional to 31,401.11, 43,333.52 and 17,254.86 is: 23,811.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,401.11 : 43,333.52 = 17,254.86 : x
  2. Step 2: Convert to fraction form
    31,401.11/43,333.52 = 17,254.86/x
  3. Step 3: Cross multiply
    31,401.11x = 43,333.52 × 17,254.86
  4. Step 4: Simplify right side
    31,401.11x = 747,713,734.63
  5. Step 5: Solve for x
    x = 747,713,734.63/31,401.11
  6. Step 6: Final answer
    x = 23,811.70

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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.