Home / 49,707.20-68,605.76-28,500.80

Finding the Fourth Proportional to 49,707.20, 68,605.76 and 28,500.80

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Solution

The fourth proportional to 49,707.20, 68,605.76 and 28,500.80 is: 39,336.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,707.20 : 68,605.76 = 28,500.80 : x
  2. Step 2: Convert to fraction form
    49,707.20/68,605.76 = 28,500.80/x
  3. Step 3: Cross multiply
    49,707.20x = 68,605.76 × 28,500.80
  4. Step 4: Simplify right side
    49,707.20x = 1,955,319,044.61
  5. Step 5: Solve for x
    x = 1,955,319,044.61/49,707.20
  6. Step 6: Final answer
    x = 39,336.74

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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.