Home / 47,229.12-65,176.20-28,366.20

Finding the Fourth Proportional to 47,229.12, 65,176.20 and 28,366.20

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Solution

The fourth proportional to 47,229.12, 65,176.20 and 28,366.20 is: 39,145.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,229.12 : 65,176.20 = 28,366.20 : x
  2. Step 2: Convert to fraction form
    47,229.12/65,176.20 = 28,366.20/x
  3. Step 3: Cross multiply
    47,229.12x = 65,176.20 × 28,366.20
  4. Step 4: Simplify right side
    47,229.12x = 1,848,801,124.44
  5. Step 5: Solve for x
    x = 1,848,801,124.44/47,229.12
  6. Step 6: Final answer
    x = 39,145.36

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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.