Home / 49,912.90-68,886.74-28,691.71

Finding the Fourth Proportional to 49,912.90, 68,886.74 and 28,691.71

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Solution

The fourth proportional to 49,912.90, 68,886.74 and 28,691.71 is: 39,598.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,912.90 : 68,886.74 = 28,691.71 : x
  2. Step 2: Convert to fraction form
    49,912.90/68,886.74 = 28,691.71/x
  3. Step 3: Cross multiply
    49,912.90x = 68,886.74 × 28,691.71
  4. Step 4: Simplify right side
    49,912.90x = 1,976,478,366.93
  5. Step 5: Solve for x
    x = 1,976,478,366.93/49,912.90
  6. Step 6: Final answer
    x = 39,598.55

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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.