Home / 51,470.18-71,022.88-28,810.44

Finding the Fourth Proportional to 51,470.18, 71,022.88 and 28,810.44

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Solution

The fourth proportional to 51,470.18, 71,022.88 and 28,810.44 is: 39,755.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,470.18 : 71,022.88 = 28,810.44 : x
  2. Step 2: Convert to fraction form
    51,470.18/71,022.88 = 28,810.44/x
  3. Step 3: Cross multiply
    51,470.18x = 71,022.88 × 28,810.44
  4. Step 4: Simplify right side
    51,470.18x = 2,046,200,422.87
  5. Step 5: Solve for x
    x = 2,046,200,422.87/51,470.18
  6. Step 6: Final answer
    x = 39,755.07

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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.