Home / 40,992.75-61,488.05-11,409.39

Finding the Fourth Proportional to 40,992.75, 61,488.05 and 11,409.39

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Solution

The fourth proportional to 40,992.75, 61,488.05 and 11,409.39 is: 17,113.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,992.75 : 61,488.05 = 11,409.39 : x
  2. Step 2: Convert to fraction form
    40,992.75/61,488.05 = 11,409.39/x
  3. Step 3: Cross multiply
    40,992.75x = 61,488.05 × 11,409.39
  4. Step 4: Simplify right side
    40,992.75x = 701,541,085.74
  5. Step 5: Solve for x
    x = 701,541,085.74/40,992.75
  6. Step 6: Final answer
    x = 17,113.78

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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.