Home / 41,085.84-61,578.96-18,868.32

Finding the Fourth Proportional to 41,085.84, 61,578.96 and 18,868.32

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Solution

The fourth proportional to 41,085.84, 61,578.96 and 18,868.32 is: 28,279.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,085.84 : 61,578.96 = 18,868.32 : x
  2. Step 2: Convert to fraction form
    41,085.84/61,578.96 = 18,868.32/x
  3. Step 3: Cross multiply
    41,085.84x = 61,578.96 × 18,868.32
  4. Step 4: Simplify right side
    41,085.84x = 1,161,891,522.55
  5. Step 5: Solve for x
    x = 1,161,891,522.55/41,085.84
  6. Step 6: Final answer
    x = 28,279.61

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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.