Home / 52,118.16-78,185.54-18,834.85

Finding the Fourth Proportional to 52,118.16, 78,185.54 and 18,834.85

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Solution

The fourth proportional to 52,118.16, 78,185.54 and 18,834.85 is: 28,255.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,118.16 : 78,185.54 = 18,834.85 : x
  2. Step 2: Convert to fraction form
    52,118.16/78,185.54 = 18,834.85/x
  3. Step 3: Cross multiply
    52,118.16x = 78,185.54 × 18,834.85
  4. Step 4: Simplify right side
    52,118.16x = 1,472,612,918.07
  5. Step 5: Solve for x
    x = 1,472,612,918.07/52,118.16
  6. Step 6: Final answer
    x = 28,255.27

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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.