Home / 51,470.43-71,023.23-28,810.69

Finding the Fourth Proportional to 51,470.43, 71,023.23 and 28,810.69

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Solution

The fourth proportional to 51,470.43, 71,023.23 and 28,810.69 is: 39,755.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,470.43 : 71,023.23 = 28,810.69 : x
  2. Step 2: Convert to fraction form
    51,470.43/71,023.23 = 28,810.69/x
  3. Step 3: Cross multiply
    51,470.43x = 71,023.23 × 28,810.69
  4. Step 4: Simplify right side
    51,470.43x = 2,046,228,118.28
  5. Step 5: Solve for x
    x = 2,046,228,118.28/51,470.43
  6. Step 6: Final answer
    x = 39,755.41

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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.