Home / 68,636.50-94,719.97-38,421.06

Finding the Fourth Proportional to 68,636.50, 94,719.97 and 38,421.06

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Solution

The fourth proportional to 68,636.50, 94,719.97 and 38,421.06 is: 53,021.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,636.50 : 94,719.97 = 38,421.06 : x
  2. Step 2: Convert to fraction form
    68,636.50/94,719.97 = 38,421.06/x
  3. Step 3: Cross multiply
    68,636.50x = 94,719.97 × 38,421.06
  4. Step 4: Simplify right side
    68,636.50x = 3,639,241,650.57
  5. Step 5: Solve for x
    x = 3,639,241,650.57/68,636.50
  6. Step 6: Final answer
    x = 53,021.96

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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.