Home / 32,772.97-45,221.43-18,432.75

Finding the Fourth Proportional to 32,772.97, 45,221.43 and 18,432.75

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Solution

The fourth proportional to 32,772.97, 45,221.43 and 18,432.75 is: 25,434.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,772.97 : 45,221.43 = 18,432.75 : x
  2. Step 2: Convert to fraction form
    32,772.97/45,221.43 = 18,432.75/x
  3. Step 3: Cross multiply
    32,772.97x = 45,221.43 × 18,432.75
  4. Step 4: Simplify right side
    32,772.97x = 833,555,313.83
  5. Step 5: Solve for x
    x = 833,555,313.83/32,772.97
  6. Step 6: Final answer
    x = 25,434.23

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Half scale
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Double scale
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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.