Home / 71,043.22-98,039.16-39,212.10

Finding the Fourth Proportional to 71,043.22, 98,039.16 and 39,212.10

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Solution

The fourth proportional to 71,043.22, 98,039.16 and 39,212.10 is: 54,112.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,043.22 : 98,039.16 = 39,212.10 : x
  2. Step 2: Convert to fraction form
    71,043.22/98,039.16 = 39,212.10/x
  3. Step 3: Cross multiply
    71,043.22x = 98,039.16 × 39,212.10
  4. Step 4: Simplify right side
    71,043.22x = 3,844,321,345.84
  5. Step 5: Solve for x
    x = 3,844,321,345.84/71,043.22
  6. Step 6: Final answer
    x = 54,112.43

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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.