Home / 49,621.68-68,476.32-28,400.46

Finding the Fourth Proportional to 49,621.68, 68,476.32 and 28,400.46

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Solution

The fourth proportional to 49,621.68, 68,476.32 and 28,400.46 is: 39,191.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,621.68 : 68,476.32 = 28,400.46 : x
  2. Step 2: Convert to fraction form
    49,621.68/68,476.32 = 28,400.46/x
  3. Step 3: Cross multiply
    49,621.68x = 68,476.32 × 28,400.46
  4. Step 4: Simplify right side
    49,621.68x = 1,944,758,987.11
  5. Step 5: Solve for x
    x = 1,944,758,987.11/49,621.68
  6. Step 6: Final answer
    x = 39,191.72

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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.