Home / 42,108.78-63,113.94-23,379.84

Finding the Fourth Proportional to 42,108.78, 63,113.94 and 23,379.84

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Solution

The fourth proportional to 42,108.78, 63,113.94 and 23,379.84 is: 35,042.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,108.78 : 63,113.94 = 23,379.84 : x
  2. Step 2: Convert to fraction form
    42,108.78/63,113.94 = 23,379.84/x
  3. Step 3: Cross multiply
    42,108.78x = 63,113.94 × 23,379.84
  4. Step 4: Simplify right side
    42,108.78x = 1,475,593,818.97
  5. Step 5: Solve for x
    x = 1,475,593,818.97/42,108.78
  6. Step 6: Final answer
    x = 35,042.43

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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.