Home / 47,591.45-65,658.82-28,471.77

Finding the Fourth Proportional to 47,591.45, 65,658.82 and 28,471.77

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Solution

The fourth proportional to 47,591.45, 65,658.82 and 28,471.77 is: 39,280.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,591.45 : 65,658.82 = 28,471.77 : x
  2. Step 2: Convert to fraction form
    47,591.45/65,658.82 = 28,471.77/x
  3. Step 3: Cross multiply
    47,591.45x = 65,658.82 × 28,471.77
  4. Step 4: Simplify right side
    47,591.45x = 1,869,422,750.33
  5. Step 5: Solve for x
    x = 1,869,422,750.33/47,591.45
  6. Step 6: Final answer
    x = 39,280.65

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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.