Home / 47,121.85-65,037.62-27,997.95

Finding the Fourth Proportional to 47,121.85, 65,037.62 and 27,997.95

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Solution

The fourth proportional to 47,121.85, 65,037.62 and 27,997.95 is: 38,642.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,121.85 : 65,037.62 = 27,997.95 : x
  2. Step 2: Convert to fraction form
    47,121.85/65,037.62 = 27,997.95/x
  3. Step 3: Cross multiply
    47,121.85x = 65,037.62 × 27,997.95
  4. Step 4: Simplify right side
    47,121.85x = 1,820,920,032.88
  5. Step 5: Solve for x
    x = 1,820,920,032.88/47,121.85
  6. Step 6: Final answer
    x = 38,642.80

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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.