Home / 71,282.36-98,359.36-39,451.19

Finding the Fourth Proportional to 71,282.36, 98,359.36 and 39,451.19

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Solution

The fourth proportional to 71,282.36, 98,359.36 and 39,451.19 is: 54,436.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,282.36 : 98,359.36 = 39,451.19 : x
  2. Step 2: Convert to fraction form
    71,282.36/98,359.36 = 39,451.19/x
  3. Step 3: Cross multiply
    71,282.36x = 98,359.36 × 39,451.19
  4. Step 4: Simplify right side
    71,282.36x = 3,880,393,431.13
  5. Step 5: Solve for x
    x = 3,880,393,431.13/71,282.36
  6. Step 6: Final answer
    x = 54,436.94

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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.