Home / 67,968.24-101,952.35-21,225.12

Finding the Fourth Proportional to 67,968.24, 101,952.35 and 21,225.12

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Solution

The fourth proportional to 67,968.24, 101,952.35 and 21,225.12 is: 31,837.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,968.24 : 101,952.35 = 21,225.12 : x
  2. Step 2: Convert to fraction form
    67,968.24/101,952.35 = 21,225.12/x
  3. Step 3: Cross multiply
    67,968.24x = 101,952.35 × 21,225.12
  4. Step 4: Simplify right side
    67,968.24x = 2,163,950,863.03
  5. Step 5: Solve for x
    x = 2,163,950,863.03/67,968.24
  6. Step 6: Final answer
    x = 31,837.68

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Double scale
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Similar ratio
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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.