Home / 34,490.13-51,633.14-21,300.09

Finding the Fourth Proportional to 34,490.13, 51,633.14 and 21,300.09

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Solution

The fourth proportional to 34,490.13, 51,633.14 and 21,300.09 is: 31,887.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,490.13 : 51,633.14 = 21,300.09 : x
  2. Step 2: Convert to fraction form
    34,490.13/51,633.14 = 21,300.09/x
  3. Step 3: Cross multiply
    34,490.13x = 51,633.14 × 21,300.09
  4. Step 4: Simplify right side
    34,490.13x = 1,099,790,422.48
  5. Step 5: Solve for x
    x = 1,099,790,422.48/34,490.13
  6. Step 6: Final answer
    x = 31,887.11

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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.