Home / 57,809.26-79,789.65-35,143.45

Finding the Fourth Proportional to 57,809.26, 79,789.65 and 35,143.45

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Solution

The fourth proportional to 57,809.26, 79,789.65 and 35,143.45 is: 48,505.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,809.26 : 79,789.65 = 35,143.45 : x
  2. Step 2: Convert to fraction form
    57,809.26/79,789.65 = 35,143.45/x
  3. Step 3: Cross multiply
    57,809.26x = 79,789.65 × 35,143.45
  4. Step 4: Simplify right side
    57,809.26x = 2,804,083,890.53
  5. Step 5: Solve for x
    x = 2,804,083,890.53/57,809.26
  6. Step 6: Final answer
    x = 48,505.79

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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.