Home / 38,932.83-58,386.87-12,631.32

Finding the Fourth Proportional to 38,932.83, 58,386.87 and 12,631.32

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Solution

The fourth proportional to 38,932.83, 58,386.87 and 12,631.32 is: 18,942.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,932.83 : 58,386.87 = 12,631.32 : x
  2. Step 2: Convert to fraction form
    38,932.83/58,386.87 = 12,631.32/x
  3. Step 3: Cross multiply
    38,932.83x = 58,386.87 × 12,631.32
  4. Step 4: Simplify right side
    38,932.83x = 737,503,238.77
  5. Step 5: Solve for x
    x = 737,503,238.77/38,932.83
  6. Step 6: Final answer
    x = 18,942.97

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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.