Home / 38,904.35-58,365.77-12,609.11

Finding the Fourth Proportional to 38,904.35, 58,365.77 and 12,609.11

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Solution

The fourth proportional to 38,904.35, 58,365.77 and 12,609.11 is: 18,916.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,904.35 : 58,365.77 = 12,609.11 : x
  2. Step 2: Convert to fraction form
    38,904.35/58,365.77 = 12,609.11/x
  3. Step 3: Cross multiply
    38,904.35x = 58,365.77 × 12,609.11
  4. Step 4: Simplify right side
    38,904.35x = 735,940,414.16
  5. Step 5: Solve for x
    x = 735,940,414.16/38,904.35
  6. Step 6: Final answer
    x = 18,916.66

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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.