Home / 31,323.43-43,228.52-17,177.19

Finding the Fourth Proportional to 31,323.43, 43,228.52 and 17,177.19

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Solution

The fourth proportional to 31,323.43, 43,228.52 and 17,177.19 is: 23,705.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,323.43 : 43,228.52 = 17,177.19 : x
  2. Step 2: Convert to fraction form
    31,323.43/43,228.52 = 17,177.19/x
  3. Step 3: Cross multiply
    31,323.43x = 43,228.52 × 17,177.19
  4. Step 4: Simplify right side
    31,323.43x = 742,544,501.46
  5. Step 5: Solve for x
    x = 742,544,501.46/31,323.43
  6. Step 6: Final answer
    x = 23,705.72

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Half scale
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Double scale
Find fourth proportional to 31,324.43, 43,229.90 and 17,178.19
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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.