Home / 34,122.70-47,118.41-21,397.29

Finding the Fourth Proportional to 34,122.70, 47,118.41 and 21,397.29

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Solution

The fourth proportional to 34,122.70, 47,118.41 and 21,397.29 is: 29,546.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,122.70 : 47,118.41 = 21,397.29 : x
  2. Step 2: Convert to fraction form
    34,122.70/47,118.41 = 21,397.29/x
  3. Step 3: Cross multiply
    34,122.70x = 47,118.41 × 21,397.29
  4. Step 4: Simplify right side
    34,122.70x = 1,008,206,283.11
  5. Step 5: Solve for x
    x = 1,008,206,283.11/34,122.70
  6. Step 6: Final answer
    x = 29,546.50

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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.