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Finding the Fourth Proportional to 68,000.40, 101,971.80 and 32,950.80

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Solution

The fourth proportional to 68,000.40, 101,971.80 and 32,950.80 is: 49,412.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,000.40 : 101,971.80 = 32,950.80 : x
  2. Step 2: Convert to fraction form
    68,000.40/101,971.80 = 32,950.80/x
  3. Step 3: Cross multiply
    68,000.40x = 101,971.80 × 32,950.80
  4. Step 4: Simplify right side
    68,000.40x = 3,360,052,387.44
  5. Step 5: Solve for x
    x = 3,360,052,387.44/68,000.40
  6. Step 6: Final answer
    x = 49,412.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.