Home / 32,739.42-45,179.20-20,013.92

Finding the Fourth Proportional to 32,739.42, 45,179.20 and 20,013.92

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Solution

The fourth proportional to 32,739.42, 45,179.20 and 20,013.92 is: 27,618.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,739.42 : 45,179.20 = 20,013.92 : x
  2. Step 2: Convert to fraction form
    32,739.42/45,179.20 = 20,013.92/x
  3. Step 3: Cross multiply
    32,739.42x = 45,179.20 × 20,013.92
  4. Step 4: Simplify right side
    32,739.42x = 904,212,894.46
  5. Step 5: Solve for x
    x = 904,212,894.46/32,739.42
  6. Step 6: Final answer
    x = 27,618.48

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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.