Home / 32,761.60-45,212.20-18,616.84

Finding the Fourth Proportional to 32,761.60, 45,212.20 and 18,616.84

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Solution

The fourth proportional to 32,761.60, 45,212.20 and 18,616.84 is: 25,691.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,761.60 : 45,212.20 = 18,616.84 : x
  2. Step 2: Convert to fraction form
    32,761.60/45,212.20 = 18,616.84/x
  3. Step 3: Cross multiply
    32,761.60x = 45,212.20 × 18,616.84
  4. Step 4: Simplify right side
    32,761.60x = 841,708,293.45
  5. Step 5: Solve for x
    x = 841,708,293.45/32,761.60
  6. Step 6: Final answer
    x = 25,691.92

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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.