Home / 68,018.04-93,865.68-37,805.22

Finding the Fourth Proportional to 68,018.04, 93,865.68 and 37,805.22

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Solution

The fourth proportional to 68,018.04, 93,865.68 and 37,805.22 is: 52,171.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,018.04 : 93,865.68 = 37,805.22 : x
  2. Step 2: Convert to fraction form
    68,018.04/93,865.68 = 37,805.22/x
  3. Step 3: Cross multiply
    68,018.04x = 93,865.68 × 37,805.22
  4. Step 4: Simplify right side
    68,018.04x = 3,548,612,682.85
  5. Step 5: Solve for x
    x = 3,548,612,682.85/68,018.04
  6. Step 6: Final answer
    x = 52,171.64

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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.