Home / 31,495.38-43,463.25-17,155.16

Finding the Fourth Proportional to 31,495.38, 43,463.25 and 17,155.16

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Solution

The fourth proportional to 31,495.38, 43,463.25 and 17,155.16 is: 23,673.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,495.38 : 43,463.25 = 17,155.16 : x
  2. Step 2: Convert to fraction form
    31,495.38/43,463.25 = 17,155.16/x
  3. Step 3: Cross multiply
    31,495.38x = 43,463.25 × 17,155.16
  4. Step 4: Simplify right side
    31,495.38x = 745,619,177.65
  5. Step 5: Solve for x
    x = 745,619,177.65/31,495.38
  6. Step 6: Final answer
    x = 23,673.92

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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.