Home / 38,583.74-57,874.91-12,288.11

Finding the Fourth Proportional to 38,583.74, 57,874.91 and 12,288.11

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Solution

The fourth proportional to 38,583.74, 57,874.91 and 12,288.11 is: 18,431.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,583.74 : 57,874.91 = 12,288.11 : x
  2. Step 2: Convert to fraction form
    38,583.74/57,874.91 = 12,288.11/x
  3. Step 3: Cross multiply
    38,583.74x = 57,874.91 × 12,288.11
  4. Step 4: Simplify right side
    38,583.74x = 711,172,909.51
  5. Step 5: Solve for x
    x = 711,172,909.51/38,583.74
  6. Step 6: Final answer
    x = 18,431.93

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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.