Home / 47,813.12-65,979.20-26,591.68

Finding the Fourth Proportional to 47,813.12, 65,979.20 and 26,591.68

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Solution

The fourth proportional to 47,813.12, 65,979.20 and 26,591.68 is: 36,694.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,813.12 : 65,979.20 = 26,591.68 : x
  2. Step 2: Convert to fraction form
    47,813.12/65,979.20 = 26,591.68/x
  3. Step 3: Cross multiply
    47,813.12x = 65,979.20 × 26,591.68
  4. Step 4: Simplify right side
    47,813.12x = 1,754,497,773.06
  5. Step 5: Solve for x
    x = 1,754,497,773.06/47,813.12
  6. Step 6: Final answer
    x = 36,694.90

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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.