Home / 41,109.84-61,657.80-11,520.86

Finding the Fourth Proportional to 41,109.84, 61,657.80 and 11,520.86

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Solution

The fourth proportional to 41,109.84, 61,657.80 and 11,520.86 is: 17,279.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,109.84 : 61,657.80 = 11,520.86 : x
  2. Step 2: Convert to fraction form
    41,109.84/61,657.80 = 11,520.86/x
  3. Step 3: Cross multiply
    41,109.84x = 61,657.80 × 11,520.86
  4. Step 4: Simplify right side
    41,109.84x = 710,351,050.25
  5. Step 5: Solve for x
    x = 710,351,050.25/41,109.84
  6. Step 6: Final answer
    x = 17,279.34

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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.