Home / 38,769.69-58,117.59-12,455.96

Finding the Fourth Proportional to 38,769.69, 58,117.59 and 12,455.96

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Solution

The fourth proportional to 38,769.69, 58,117.59 and 12,455.96 is: 18,672.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,769.69 : 58,117.59 = 12,455.96 : x
  2. Step 2: Convert to fraction form
    38,769.69/58,117.59 = 12,455.96/x
  3. Step 3: Cross multiply
    38,769.69x = 58,117.59 × 12,455.96
  4. Step 4: Simplify right side
    38,769.69x = 723,910,376.34
  5. Step 5: Solve for x
    x = 723,910,376.34/38,769.69
  6. Step 6: Final answer
    x = 18,672.07

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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.