Home / 50,531.75-69,740.26-42,019.22

Finding the Fourth Proportional to 50,531.75, 69,740.26 and 42,019.22

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Solution

The fourth proportional to 50,531.75, 69,740.26 and 42,019.22 is: 57,991.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,531.75 : 69,740.26 = 42,019.22 : x
  2. Step 2: Convert to fraction form
    50,531.75/69,740.26 = 42,019.22/x
  3. Step 3: Cross multiply
    50,531.75x = 69,740.26 × 42,019.22
  4. Step 4: Simplify right side
    50,531.75x = 2,930,431,397.10
  5. Step 5: Solve for x
    x = 2,930,431,397.10/50,531.75
  6. Step 6: Final answer
    x = 57,991.89

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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.