Home / 67,966.23-101,949.35-21,223.11

Finding the Fourth Proportional to 67,966.23, 101,949.35 and 21,223.11

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Solution

The fourth proportional to 67,966.23, 101,949.35 and 21,223.11 is: 31,834.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,966.23 : 101,949.35 = 21,223.11 : x
  2. Step 2: Convert to fraction form
    67,966.23/101,949.35 = 21,223.11/x
  3. Step 3: Cross multiply
    67,966.23x = 101,949.35 × 21,223.11
  4. Step 4: Simplify right side
    67,966.23x = 2,163,682,163.36
  5. Step 5: Solve for x
    x = 2,163,682,163.36/67,966.23
  6. Step 6: Final answer
    x = 31,834.67

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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.