Home / 57,135.52-78,837.66-35,899.84

Finding the Fourth Proportional to 57,135.52, 78,837.66 and 35,899.84

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Solution

The fourth proportional to 57,135.52, 78,837.66 and 35,899.84 is: 49,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,135.52 : 78,837.66 = 35,899.84 : x
  2. Step 2: Convert to fraction form
    57,135.52/78,837.66 = 35,899.84/x
  3. Step 3: Cross multiply
    57,135.52x = 78,837.66 × 35,899.84
  4. Step 4: Simplify right side
    57,135.52x = 2,830,259,379.97
  5. Step 5: Solve for x
    x = 2,830,259,379.97/57,135.52
  6. Step 6: Final answer
    x = 49,535.90

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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.