Home / 31,351.40-43,264.91-17,922.95

Finding the Fourth Proportional to 31,351.40, 43,264.91 and 17,922.95

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Solution

The fourth proportional to 31,351.40, 43,264.91 and 17,922.95 is: 24,733.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,351.40 : 43,264.91 = 17,922.95 : x
  2. Step 2: Convert to fraction form
    31,351.40/43,264.91 = 17,922.95/x
  3. Step 3: Cross multiply
    31,351.40x = 43,264.91 × 17,922.95
  4. Step 4: Simplify right side
    31,351.40x = 775,434,818.68
  5. Step 5: Solve for x
    x = 775,434,818.68/31,351.40
  6. Step 6: Final answer
    x = 24,733.66

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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.