Home / 55,650.60-83,488.32-20,589.48

Finding the Fourth Proportional to 55,650.60, 83,488.32 and 20,589.48

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Solution

The fourth proportional to 55,650.60, 83,488.32 and 20,589.48 is: 30,888.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,650.60 : 83,488.32 = 20,589.48 : x
  2. Step 2: Convert to fraction form
    55,650.60/83,488.32 = 20,589.48/x
  3. Step 3: Cross multiply
    55,650.60x = 83,488.32 × 20,589.48
  4. Step 4: Simplify right side
    55,650.60x = 1,718,981,094.87
  5. Step 5: Solve for x
    x = 1,718,981,094.87/55,650.60
  6. Step 6: Final answer
    x = 30,888.82

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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.