Home / 31,264.20-43,144.12-17,835.66

Finding the Fourth Proportional to 31,264.20, 43,144.12 and 17,835.66

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Solution

The fourth proportional to 31,264.20, 43,144.12 and 17,835.66 is: 24,612.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,264.20 : 43,144.12 = 17,835.66 : x
  2. Step 2: Convert to fraction form
    31,264.20/43,144.12 = 17,835.66/x
  3. Step 3: Cross multiply
    31,264.20x = 43,144.12 × 17,835.66
  4. Step 4: Simplify right side
    31,264.20x = 769,503,855.32
  5. Step 5: Solve for x
    x = 769,503,855.32/31,264.20
  6. Step 6: Final answer
    x = 24,612.94

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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.