Home / 31,523.81-43,502.33-17,377.97

Finding the Fourth Proportional to 31,523.81, 43,502.33 and 17,377.97

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Solution

The fourth proportional to 31,523.81, 43,502.33 and 17,377.97 is: 23,981.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,523.81 : 43,502.33 = 17,377.97 : x
  2. Step 2: Convert to fraction form
    31,523.81/43,502.33 = 17,377.97/x
  3. Step 3: Cross multiply
    31,523.81x = 43,502.33 × 17,377.97
  4. Step 4: Simplify right side
    31,523.81x = 755,982,011.60
  5. Step 5: Solve for x
    x = 755,982,011.60/31,523.81
  6. Step 6: Final answer
    x = 23,981.31

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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.