Home / 71,039.88-98,034.36-39,208.10

Finding the Fourth Proportional to 71,039.88, 98,034.36 and 39,208.10

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Solution

The fourth proportional to 71,039.88, 98,034.36 and 39,208.10 is: 54,106.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,039.88 : 98,034.36 = 39,208.10 : x
  2. Step 2: Convert to fraction form
    71,039.88/98,034.36 = 39,208.10/x
  3. Step 3: Cross multiply
    71,039.88x = 98,034.36 × 39,208.10
  4. Step 4: Simplify right side
    71,039.88x = 3,843,740,500.14
  5. Step 5: Solve for x
    x = 3,843,740,500.14/71,039.88
  6. Step 6: Final answer
    x = 54,106.80

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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.