Home / 68,613.12-94,682.88-38,799.36

Finding the Fourth Proportional to 68,613.12, 94,682.88 and 38,799.36

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Solution

The fourth proportional to 68,613.12, 94,682.88 and 38,799.36 is: 53,541.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,613.12 : 94,682.88 = 38,799.36 : x
  2. Step 2: Convert to fraction form
    68,613.12/94,682.88 = 38,799.36/x
  3. Step 3: Cross multiply
    68,613.12x = 94,682.88 × 38,799.36
  4. Step 4: Simplify right side
    68,613.12x = 3,673,635,146.96
  5. Step 5: Solve for x
    x = 3,673,635,146.96/68,613.12
  6. Step 6: Final answer
    x = 53,541.29

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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.