Home / 68,636.37-94,718.23-38,421.75

Finding the Fourth Proportional to 68,636.37, 94,718.23 and 38,421.75

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Solution

The fourth proportional to 68,636.37, 94,718.23 and 38,421.75 is: 53,022.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,636.37 : 94,718.23 = 38,421.75 : x
  2. Step 2: Convert to fraction form
    68,636.37/94,718.23 = 38,421.75/x
  3. Step 3: Cross multiply
    68,636.37x = 94,718.23 × 38,421.75
  4. Step 4: Simplify right side
    68,636.37x = 3,639,240,057.45
  5. Step 5: Solve for x
    x = 3,639,240,057.45/68,636.37
  6. Step 6: Final answer
    x = 53,022.04

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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.