Home / 47,555.20-71,281.60-17,961.60

Finding the Fourth Proportional to 47,555.20, 71,281.60 and 17,961.60

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Solution

The fourth proportional to 47,555.20, 71,281.60 and 17,961.60 is: 26,923.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,555.20 : 71,281.60 = 17,961.60 : x
  2. Step 2: Convert to fraction form
    47,555.20/71,281.60 = 17,961.60/x
  3. Step 3: Cross multiply
    47,555.20x = 71,281.60 × 17,961.60
  4. Step 4: Simplify right side
    47,555.20x = 1,280,331,586.56
  5. Step 5: Solve for x
    x = 1,280,331,586.56/47,555.20
  6. Step 6: Final answer
    x = 26,923.06

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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.