Home / 34,121.70-47,117.03-21,396.29

Finding the Fourth Proportional to 34,121.70, 47,117.03 and 21,396.29

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Solution

The fourth proportional to 34,121.70, 47,117.03 and 21,396.29 is: 29,545.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,121.70 : 47,117.03 = 21,396.29 : x
  2. Step 2: Convert to fraction form
    34,121.70/47,117.03 = 21,396.29/x
  3. Step 3: Cross multiply
    34,121.70x = 47,117.03 × 21,396.29
  4. Step 4: Simplify right side
    34,121.70x = 1,008,129,295.25
  5. Step 5: Solve for x
    x = 1,008,129,295.25/34,121.70
  6. Step 6: Final answer
    x = 29,545.11

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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.