Home / 42,850.19-59,136.68-31,571.21

Finding the Fourth Proportional to 42,850.19, 59,136.68 and 31,571.21

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Solution

The fourth proportional to 42,850.19, 59,136.68 and 31,571.21 is: 43,570.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,850.19 : 59,136.68 = 31,571.21 : x
  2. Step 2: Convert to fraction form
    42,850.19/59,136.68 = 31,571.21/x
  3. Step 3: Cross multiply
    42,850.19x = 59,136.68 × 31,571.21
  4. Step 4: Simplify right side
    42,850.19x = 1,867,016,542.98
  5. Step 5: Solve for x
    x = 1,867,016,542.98/42,850.19
  6. Step 6: Final answer
    x = 43,570.79

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1.5x scale

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.