Home / 34,687.09-47,863.03-21,068.05

Finding the Fourth Proportional to 34,687.09, 47,863.03 and 21,068.05

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Solution

The fourth proportional to 34,687.09, 47,863.03 and 21,068.05 is: 29,070.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,687.09 : 47,863.03 = 21,068.05 : x
  2. Step 2: Convert to fraction form
    34,687.09/47,863.03 = 21,068.05/x
  3. Step 3: Cross multiply
    34,687.09x = 47,863.03 × 21,068.05
  4. Step 4: Simplify right side
    34,687.09x = 1,008,380,709.19
  5. Step 5: Solve for x
    x = 1,008,380,709.19/34,687.09
  6. Step 6: Final answer
    x = 29,070.78

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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.