Home / 68,436.30-94,435.29-38,216.82

Finding the Fourth Proportional to 68,436.30, 94,435.29 and 38,216.82

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Solution

The fourth proportional to 68,436.30, 94,435.29 and 38,216.82 is: 52,735.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,436.30 : 94,435.29 = 38,216.82 : x
  2. Step 2: Convert to fraction form
    68,436.30/94,435.29 = 38,216.82/x
  3. Step 3: Cross multiply
    68,436.30x = 94,435.29 × 38,216.82
  4. Step 4: Simplify right side
    68,436.30x = 3,609,016,479.58
  5. Step 5: Solve for x
    x = 3,609,016,479.58/68,436.30
  6. Step 6: Final answer
    x = 52,735.41

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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.