Home / 49,810.92-68,731.16-28,002.88

Finding the Fourth Proportional to 49,810.92, 68,731.16 and 28,002.88

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Solution

The fourth proportional to 49,810.92, 68,731.16 and 28,002.88 is: 38,639.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,810.92 : 68,731.16 = 28,002.88 : x
  2. Step 2: Convert to fraction form
    49,810.92/68,731.16 = 28,002.88/x
  3. Step 3: Cross multiply
    49,810.92x = 68,731.16 × 28,002.88
  4. Step 4: Simplify right side
    49,810.92x = 1,924,670,425.74
  5. Step 5: Solve for x
    x = 1,924,670,425.74/49,810.92
  6. Step 6: Final answer
    x = 38,639.53

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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.