Home / 34,288.29-47,321.21-21,551.06

Finding the Fourth Proportional to 34,288.29, 47,321.21 and 21,551.06

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Solution

The fourth proportional to 34,288.29, 47,321.21 and 21,551.06 is: 29,742.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,288.29 : 47,321.21 = 21,551.06 : x
  2. Step 2: Convert to fraction form
    34,288.29/47,321.21 = 21,551.06/x
  3. Step 3: Cross multiply
    34,288.29x = 47,321.21 × 21,551.06
  4. Step 4: Simplify right side
    34,288.29x = 1,019,822,408.16
  5. Step 5: Solve for x
    x = 1,019,822,408.16/34,288.29
  6. Step 6: Final answer
    x = 29,742.59

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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.