Home / 42,161.66-63,235.56-15,138.41

Finding the Fourth Proportional to 42,161.66, 63,235.56 and 15,138.41

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Solution

The fourth proportional to 42,161.66, 63,235.56 and 15,138.41 is: 22,705.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,161.66 : 63,235.56 = 15,138.41 : x
  2. Step 2: Convert to fraction form
    42,161.66/63,235.56 = 15,138.41/x
  3. Step 3: Cross multiply
    42,161.66x = 63,235.56 × 15,138.41
  4. Step 4: Simplify right side
    42,161.66x = 957,285,620.80
  5. Step 5: Solve for x
    x = 957,285,620.80/42,161.66
  6. Step 6: Final answer
    x = 22,705.12

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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.