Home / 47,560.80-71,195.40-27,780.60

Finding the Fourth Proportional to 47,560.80, 71,195.40 and 27,780.60

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Solution

The fourth proportional to 47,560.80, 71,195.40 and 27,780.60 is: 41,585.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,560.80 : 71,195.40 = 27,780.60 : x
  2. Step 2: Convert to fraction form
    47,560.80/71,195.40 = 27,780.60/x
  3. Step 3: Cross multiply
    47,560.80x = 71,195.40 × 27,780.60
  4. Step 4: Simplify right side
    47,560.80x = 1,977,850,929.24
  5. Step 5: Solve for x
    x = 1,977,850,929.24/47,560.80
  6. Step 6: Final answer
    x = 41,585.74

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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.