Home / 52,500.56-78,721.92-35,879.36

Finding the Fourth Proportional to 52,500.56, 78,721.92 and 35,879.36

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Solution

The fourth proportional to 52,500.56, 78,721.92 and 35,879.36 is: 53,799.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,500.56 : 78,721.92 = 35,879.36 : x
  2. Step 2: Convert to fraction form
    52,500.56/78,721.92 = 35,879.36/x
  3. Step 3: Cross multiply
    52,500.56x = 78,721.92 × 35,879.36
  4. Step 4: Simplify right side
    52,500.56x = 2,824,492,107.57
  5. Step 5: Solve for x
    x = 2,824,492,107.57/52,500.56
  6. Step 6: Final answer
    x = 53,799.28

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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.