Home / 42,610.38-63,923.67-19,236.75

Finding the Fourth Proportional to 42,610.38, 63,923.67 and 19,236.75

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Solution

The fourth proportional to 42,610.38, 63,923.67 and 19,236.75 is: 28,858.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,610.38 : 63,923.67 = 19,236.75 : x
  2. Step 2: Convert to fraction form
    42,610.38/63,923.67 = 19,236.75/x
  3. Step 3: Cross multiply
    42,610.38x = 63,923.67 × 19,236.75
  4. Step 4: Simplify right side
    42,610.38x = 1,229,683,658.87
  5. Step 5: Solve for x
    x = 1,229,683,658.87/42,610.38
  6. Step 6: Final answer
    x = 28,858.78

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1.5x scale

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.