Home / 32,729.13-48,981.92-20,243.79

Finding the Fourth Proportional to 32,729.13, 48,981.92 and 20,243.79

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Solution

The fourth proportional to 32,729.13, 48,981.92 and 20,243.79 is: 30,296.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,729.13 : 48,981.92 = 20,243.79 : x
  2. Step 2: Convert to fraction form
    32,729.13/48,981.92 = 20,243.79/x
  3. Step 3: Cross multiply
    32,729.13x = 48,981.92 × 20,243.79
  4. Step 4: Simplify right side
    32,729.13x = 991,579,601.06
  5. Step 5: Solve for x
    x = 991,579,601.06/32,729.13
  6. Step 6: Final answer
    x = 30,296.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.