Home / 47,510.20-71,216.70-27,778.60

Finding the Fourth Proportional to 47,510.20, 71,216.70 and 27,778.60

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Solution

The fourth proportional to 47,510.20, 71,216.70 and 27,778.60 is: 41,639.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,510.20 : 71,216.70 = 27,778.60 : x
  2. Step 2: Convert to fraction form
    47,510.20/71,216.70 = 27,778.60/x
  3. Step 3: Cross multiply
    47,510.20x = 71,216.70 × 27,778.60
  4. Step 4: Simplify right side
    47,510.20x = 1,978,300,222.62
  5. Step 5: Solve for x
    x = 1,978,300,222.62/47,510.20
  6. Step 6: Final answer
    x = 41,639.48

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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.