Home / 62,481.38-86,263.79-38,621.61

Finding the Fourth Proportional to 62,481.38, 86,263.79 and 38,621.61

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Solution

The fourth proportional to 62,481.38, 86,263.79 and 38,621.61 is: 53,322.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,481.38 : 86,263.79 = 38,621.61 : x
  2. Step 2: Convert to fraction form
    62,481.38/86,263.79 = 38,621.61/x
  3. Step 3: Cross multiply
    62,481.38x = 86,263.79 × 38,621.61
  4. Step 4: Simplify right side
    62,481.38x = 3,331,646,261.39
  5. Step 5: Solve for x
    x = 3,331,646,261.39/62,481.38
  6. Step 6: Final answer
    x = 53,322.23

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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.