Home / 38,610.38-57,878.58-12,298.07

Finding the Fourth Proportional to 38,610.38, 57,878.58 and 12,298.07

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Solution

The fourth proportional to 38,610.38, 57,878.58 and 12,298.07 is: 18,435.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,610.38 : 57,878.58 = 12,298.07 : x
  2. Step 2: Convert to fraction form
    38,610.38/57,878.58 = 12,298.07/x
  3. Step 3: Cross multiply
    38,610.38x = 57,878.58 × 12,298.07
  4. Step 4: Simplify right side
    38,610.38x = 711,794,828.34
  5. Step 5: Solve for x
    x = 711,794,828.34/38,610.38
  6. Step 6: Final answer
    x = 18,435.32

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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.