Home / 38,932.93-58,417.87-20,203

Finding the Fourth Proportional to 38,932.93, 58,417.87 and 20,203

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Solution

The fourth proportional to 38,932.93, 58,417.87 and 20,203 is: 30,314.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,932.93 : 58,417.87 = 20,203 : x
  2. Step 2: Convert to fraction form
    38,932.93/58,417.87 = 20,203/x
  3. Step 3: Cross multiply
    38,932.93x = 58,417.87 × 20,203
  4. Step 4: Simplify right side
    38,932.93x = 1,180,216,227.61
  5. Step 5: Solve for x
    x = 1,180,216,227.61/38,932.93
  6. Step 6: Final answer
    x = 30,314.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.