Home / 47,659.20-71,440.20-27,927.60

Finding the Fourth Proportional to 47,659.20, 71,440.20 and 27,927.60

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Solution

The fourth proportional to 47,659.20, 71,440.20 and 27,927.60 is: 41,862.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,659.20 : 71,440.20 = 27,927.60 : x
  2. Step 2: Convert to fraction form
    47,659.20/71,440.20 = 27,927.60/x
  3. Step 3: Cross multiply
    47,659.20x = 71,440.20 × 27,927.60
  4. Step 4: Simplify right side
    47,659.20x = 1,995,153,329.52
  5. Step 5: Solve for x
    x = 1,995,153,329.52/47,659.20
  6. Step 6: Final answer
    x = 41,862.92

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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.