Home / 31,254.76-43,130.82-17,108.20

Finding the Fourth Proportional to 31,254.76, 43,130.82 and 17,108.20

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Solution

The fourth proportional to 31,254.76, 43,130.82 and 17,108.20 is: 23,608.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,254.76 : 43,130.82 = 17,108.20 : x
  2. Step 2: Convert to fraction form
    31,254.76/43,130.82 = 17,108.20/x
  3. Step 3: Cross multiply
    31,254.76x = 43,130.82 × 17,108.20
  4. Step 4: Simplify right side
    31,254.76x = 737,890,694.72
  5. Step 5: Solve for x
    x = 737,890,694.72/31,254.76
  6. Step 6: Final answer
    x = 23,608.91

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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.