Home / 31,401.72-43,333.52-17,254.58

Finding the Fourth Proportional to 31,401.72, 43,333.52 and 17,254.58

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Solution

The fourth proportional to 31,401.72, 43,333.52 and 17,254.58 is: 23,810.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,401.72 : 43,333.52 = 17,254.58 : x
  2. Step 2: Convert to fraction form
    31,401.72/43,333.52 = 17,254.58/x
  3. Step 3: Cross multiply
    31,401.72x = 43,333.52 × 17,254.58
  4. Step 4: Simplify right side
    31,401.72x = 747,701,687.52
  5. Step 5: Solve for x
    x = 747,701,687.52/31,401.72
  6. Step 6: Final answer
    x = 23,810.85

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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.