Home / 31,506.12-43,480.38-17,358.96

Finding the Fourth Proportional to 31,506.12, 43,480.38 and 17,358.96

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Solution

The fourth proportional to 31,506.12, 43,480.38 and 17,358.96 is: 23,956.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506.12 : 43,480.38 = 17,358.96 : x
  2. Step 2: Convert to fraction form
    31,506.12/43,480.38 = 17,358.96/x
  3. Step 3: Cross multiply
    31,506.12x = 43,480.38 × 17,358.96
  4. Step 4: Simplify right side
    31,506.12x = 754,774,177.20
  5. Step 5: Solve for x
    x = 754,774,177.20/31,506.12
  6. Step 6: Final answer
    x = 23,956.43

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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.