Home / 68,371.07-94,356.81-38,162.30

Finding the Fourth Proportional to 68,371.07, 94,356.81 and 38,162.30

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Solution

The fourth proportional to 68,371.07, 94,356.81 and 38,162.30 is: 52,666.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,371.07 : 94,356.81 = 38,162.30 : x
  2. Step 2: Convert to fraction form
    68,371.07/94,356.81 = 38,162.30/x
  3. Step 3: Cross multiply
    68,371.07x = 94,356.81 × 38,162.30
  4. Step 4: Simplify right side
    68,371.07x = 3,600,872,418.48
  5. Step 5: Solve for x
    x = 3,600,872,418.48/68,371.07
  6. Step 6: Final answer
    x = 52,666.61

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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.