Home / 68,636.69-94,720.61-38,421.83

Finding the Fourth Proportional to 68,636.69, 94,720.61 and 38,421.83

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Solution

The fourth proportional to 68,636.69, 94,720.61 and 38,421.83 is: 53,023.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,636.69 : 94,720.61 = 38,421.83 : x
  2. Step 2: Convert to fraction form
    68,636.69/94,720.61 = 38,421.83/x
  3. Step 3: Cross multiply
    68,636.69x = 94,720.61 × 38,421.83
  4. Step 4: Simplify right side
    68,636.69x = 3,639,339,363.69
  5. Step 5: Solve for x
    x = 3,639,339,363.69/68,636.69
  6. Step 6: Final answer
    x = 53,023.24

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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.