Home / 36,901.20-55,372.86-20,046.72

Finding the Fourth Proportional to 36,901.20, 55,372.86 and 20,046.72

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Solution

The fourth proportional to 36,901.20, 55,372.86 and 20,046.72 is: 30,081.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,901.20 : 55,372.86 = 20,046.72 : x
  2. Step 2: Convert to fraction form
    36,901.20/55,372.86 = 20,046.72/x
  3. Step 3: Cross multiply
    36,901.20x = 55,372.86 × 20,046.72
  4. Step 4: Simplify right side
    36,901.20x = 1,110,044,220.02
  5. Step 5: Solve for x
    x = 1,110,044,220.02/36,901.20
  6. Step 6: Final answer
    x = 30,081.52

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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.