Home / 68,380.74-94,364.18-38,165.51

Finding the Fourth Proportional to 68,380.74, 94,364.18 and 38,165.51

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Solution

The fourth proportional to 68,380.74, 94,364.18 and 38,165.51 is: 52,667.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,380.74 : 94,364.18 = 38,165.51 : x
  2. Step 2: Convert to fraction form
    68,380.74/94,364.18 = 38,165.51/x
  3. Step 3: Cross multiply
    68,380.74x = 94,364.18 × 38,165.51
  4. Step 4: Simplify right side
    68,380.74x = 3,601,456,864.60
  5. Step 5: Solve for x
    x = 3,601,456,864.60/68,380.74
  6. Step 6: Final answer
    x = 52,667.71

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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.