Home / 71,274.75-98,356.14-39,441.75

Finding the Fourth Proportional to 71,274.75, 98,356.14 and 39,441.75

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Solution

The fourth proportional to 71,274.75, 98,356.14 and 39,441.75 is: 54,427.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,274.75 : 98,356.14 = 39,441.75 : x
  2. Step 2: Convert to fraction form
    71,274.75/98,356.14 = 39,441.75/x
  3. Step 3: Cross multiply
    71,274.75x = 98,356.14 × 39,441.75
  4. Step 4: Simplify right side
    71,274.75x = 3,879,338,284.85
  5. Step 5: Solve for x
    x = 3,879,338,284.85/71,274.75
  6. Step 6: Final answer
    x = 54,427.95

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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.