Home / 51,470.45-71,025.92-28,805.62

Finding the Fourth Proportional to 51,470.45, 71,025.92 and 28,805.62

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Solution

The fourth proportional to 51,470.45, 71,025.92 and 28,805.62 is: 39,749.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,470.45 : 71,025.92 = 28,805.62 : x
  2. Step 2: Convert to fraction form
    51,470.45/71,025.92 = 28,805.62/x
  3. Step 3: Cross multiply
    51,470.45x = 71,025.92 × 28,805.62
  4. Step 4: Simplify right side
    51,470.45x = 2,045,945,378.55
  5. Step 5: Solve for x
    x = 2,045,945,378.55/51,470.45
  6. Step 6: Final answer
    x = 39,749.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.