Home / 79,929.90-119,894.82-23,769.78

Finding the Fourth Proportional to 79,929.90, 119,894.82 and 23,769.78

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Solution

The fourth proportional to 79,929.90, 119,894.82 and 23,769.78 is: 35,654.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,929.90 : 119,894.82 = 23,769.78 : x
  2. Step 2: Convert to fraction form
    79,929.90/119,894.82 = 23,769.78/x
  3. Step 3: Cross multiply
    79,929.90x = 119,894.82 × 23,769.78
  4. Step 4: Simplify right side
    79,929.90x = 2,849,873,494.54
  5. Step 5: Solve for x
    x = 2,849,873,494.54/79,929.90
  6. Step 6: Final answer
    x = 35,654.66

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1.5x scale

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.