Home / 68,426.78-94,429.09-38,212.01

Finding the Fourth Proportional to 68,426.78, 94,429.09 and 38,212.01

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Solution

The fourth proportional to 68,426.78, 94,429.09 and 38,212.01 is: 52,732.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,426.78 : 94,429.09 = 38,212.01 : x
  2. Step 2: Convert to fraction form
    68,426.78/94,429.09 = 38,212.01/x
  3. Step 3: Cross multiply
    68,426.78x = 94,429.09 × 38,212.01
  4. Step 4: Simplify right side
    68,426.78x = 3,608,324,668.17
  5. Step 5: Solve for x
    x = 3,608,324,668.17/68,426.78
  6. Step 6: Final answer
    x = 52,732.64

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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.