Home / 68,667.36-94,759.60-38,039.64

Finding the Fourth Proportional to 68,667.36, 94,759.60 and 38,039.64

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Solution

The fourth proportional to 68,667.36, 94,759.60 and 38,039.64 is: 52,493.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,667.36 : 94,759.60 = 38,039.64 : x
  2. Step 2: Convert to fraction form
    68,667.36/94,759.60 = 38,039.64/x
  3. Step 3: Cross multiply
    68,667.36x = 94,759.60 × 38,039.64
  4. Step 4: Simplify right side
    68,667.36x = 3,604,621,070.54
  5. Step 5: Solve for x
    x = 3,604,621,070.54/68,667.36
  6. Step 6: Final answer
    x = 52,493.95

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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.