Home / 32,761.11-45,196.10-20,818.04

Finding the Fourth Proportional to 32,761.11, 45,196.10 and 20,818.04

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Solution

The fourth proportional to 32,761.11, 45,196.10 and 20,818.04 is: 28,719.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,761.11 : 45,196.10 = 20,818.04 : x
  2. Step 2: Convert to fraction form
    32,761.11/45,196.10 = 20,818.04/x
  3. Step 3: Cross multiply
    32,761.11x = 45,196.10 × 20,818.04
  4. Step 4: Simplify right side
    32,761.11x = 940,893,887.57
  5. Step 5: Solve for x
    x = 940,893,887.57/32,761.11
  6. Step 6: Final answer
    x = 28,719.84

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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.