Home / 36,221.44-49,985.76-20,306.56

Finding the Fourth Proportional to 36,221.44, 49,985.76 and 20,306.56

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Solution

The fourth proportional to 36,221.44, 49,985.76 and 20,306.56 is: 28,023.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,221.44 : 49,985.76 = 20,306.56 : x
  2. Step 2: Convert to fraction form
    36,221.44/49,985.76 = 20,306.56/x
  3. Step 3: Cross multiply
    36,221.44x = 49,985.76 × 20,306.56
  4. Step 4: Simplify right side
    36,221.44x = 1,015,038,834.59
  5. Step 5: Solve for x
    x = 1,015,038,834.59/36,221.44
  6. Step 6: Final answer
    x = 28,023.15

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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.