Home / 52,260.57-78,337.22-20,657.79

Finding the Fourth Proportional to 52,260.57, 78,337.22 and 20,657.79

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Solution

The fourth proportional to 52,260.57, 78,337.22 and 20,657.79 is: 30,965.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,260.57 : 78,337.22 = 20,657.79 : x
  2. Step 2: Convert to fraction form
    52,260.57/78,337.22 = 20,657.79/x
  3. Step 3: Cross multiply
    52,260.57x = 78,337.22 × 20,657.79
  4. Step 4: Simplify right side
    52,260.57x = 1,618,273,736.65
  5. Step 5: Solve for x
    x = 1,618,273,736.65/52,260.57
  6. Step 6: Final answer
    x = 30,965.48

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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.