Home / 47,986.90-71,980.35-44,487.70

Finding the Fourth Proportional to 47,986.90, 71,980.35 and 44,487.70

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Solution

The fourth proportional to 47,986.90, 71,980.35 and 44,487.70 is: 66,731.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,986.90 : 71,980.35 = 44,487.70 : x
  2. Step 2: Convert to fraction form
    47,986.90/71,980.35 = 44,487.70/x
  3. Step 3: Cross multiply
    47,986.90x = 71,980.35 × 44,487.70
  4. Step 4: Simplify right side
    47,986.90x = 3,202,240,216.70
  5. Step 5: Solve for x
    x = 3,202,240,216.70/47,986.90
  6. Step 6: Final answer
    x = 66,731.55

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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.