Home / 35,930.68-49,585.45-20,620.02

Finding the Fourth Proportional to 35,930.68, 49,585.45 and 20,620.02

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Solution

The fourth proportional to 35,930.68, 49,585.45 and 20,620.02 is: 28,456.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,930.68 : 49,585.45 = 20,620.02 : x
  2. Step 2: Convert to fraction form
    35,930.68/49,585.45 = 20,620.02/x
  3. Step 3: Cross multiply
    35,930.68x = 49,585.45 × 20,620.02
  4. Step 4: Simplify right side
    35,930.68x = 1,022,453,022.26
  5. Step 5: Solve for x
    x = 1,022,453,022.26/35,930.68
  6. Step 6: Final answer
    x = 28,456.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.