Home / 49,480.42-68,275.56-28,255.18

Finding the Fourth Proportional to 49,480.42, 68,275.56 and 28,255.18

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Solution

The fourth proportional to 49,480.42, 68,275.56 and 28,255.18 is: 38,987.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,480.42 : 68,275.56 = 28,255.18 : x
  2. Step 2: Convert to fraction form
    49,480.42/68,275.56 = 28,255.18/x
  3. Step 3: Cross multiply
    49,480.42x = 68,275.56 × 28,255.18
  4. Step 4: Simplify right side
    49,480.42x = 1,929,138,237.40
  5. Step 5: Solve for x
    x = 1,929,138,237.40/49,480.42
  6. Step 6: Final answer
    x = 38,987.91

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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.