Home / 31,881.18-43,995.38-17,733.72

Finding the Fourth Proportional to 31,881.18, 43,995.38 and 17,733.72

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Solution

The fourth proportional to 31,881.18, 43,995.38 and 17,733.72 is: 24,472.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,881.18 : 43,995.38 = 17,733.72 : x
  2. Step 2: Convert to fraction form
    31,881.18/43,995.38 = 17,733.72/x
  3. Step 3: Cross multiply
    31,881.18x = 43,995.38 × 17,733.72
  4. Step 4: Simplify right side
    31,881.18x = 780,201,750.21
  5. Step 5: Solve for x
    x = 780,201,750.21/31,881.18
  6. Step 6: Final answer
    x = 24,472.17

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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.