Home / 31,367.12-43,283.76-17,937.92

Finding the Fourth Proportional to 31,367.12, 43,283.76 and 17,937.92

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Solution

The fourth proportional to 31,367.12, 43,283.76 and 17,937.92 is: 24,752.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,367.12 : 43,283.76 = 17,937.92 : x
  2. Step 2: Convert to fraction form
    31,367.12/43,283.76 = 17,937.92/x
  3. Step 3: Cross multiply
    31,367.12x = 43,283.76 × 17,937.92
  4. Step 4: Simplify right side
    31,367.12x = 776,420,624.18
  5. Step 5: Solve for x
    x = 776,420,624.18/31,367.12
  6. Step 6: Final answer
    x = 24,752.69

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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.