Home / 31,520.16-43,497.66-17,373.04

Finding the Fourth Proportional to 31,520.16, 43,497.66 and 17,373.04

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Solution

The fourth proportional to 31,520.16, 43,497.66 and 17,373.04 is: 23,974.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,520.16 : 43,497.66 = 17,373.04 : x
  2. Step 2: Convert to fraction form
    31,520.16/43,497.66 = 17,373.04/x
  3. Step 3: Cross multiply
    31,520.16x = 43,497.66 × 17,373.04
  4. Step 4: Simplify right side
    31,520.16x = 755,686,587.09
  5. Step 5: Solve for x
    x = 755,686,587.09/31,520.16
  6. Step 6: Final answer
    x = 23,974.71

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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.