Home / 35,535.56-49,046.10-20,438.60

Finding the Fourth Proportional to 35,535.56, 49,046.10 and 20,438.60

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Solution

The fourth proportional to 35,535.56, 49,046.10 and 20,438.60 is: 28,209.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,535.56 : 49,046.10 = 20,438.60 : x
  2. Step 2: Convert to fraction form
    35,535.56/49,046.10 = 20,438.60/x
  3. Step 3: Cross multiply
    35,535.56x = 49,046.10 × 20,438.60
  4. Step 4: Simplify right side
    35,535.56x = 1,002,433,619.46
  5. Step 5: Solve for x
    x = 1,002,433,619.46/35,535.56
  6. Step 6: Final answer
    x = 28,209.31

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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.