Home / 54,369.35-75,057.75-42,242.61

Finding the Fourth Proportional to 54,369.35, 75,057.75 and 42,242.61

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Solution

The fourth proportional to 54,369.35, 75,057.75 and 42,242.61 is: 58,316.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,369.35 : 75,057.75 = 42,242.61 : x
  2. Step 2: Convert to fraction form
    54,369.35/75,057.75 = 42,242.61/x
  3. Step 3: Cross multiply
    54,369.35x = 75,057.75 × 42,242.61
  4. Step 4: Simplify right side
    54,369.35x = 3,170,635,260.73
  5. Step 5: Solve for x
    x = 3,170,635,260.73/54,369.35
  6. Step 6: Final answer
    x = 58,316.60

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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.