Home / 34,317.05-51,391.73-21,151.31

Finding the Fourth Proportional to 34,317.05, 51,391.73 and 21,151.31

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Solution

The fourth proportional to 34,317.05, 51,391.73 and 21,151.31 is: 31,675.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,317.05 : 51,391.73 = 21,151.31 : x
  2. Step 2: Convert to fraction form
    34,317.05/51,391.73 = 21,151.31/x
  3. Step 3: Cross multiply
    34,317.05x = 51,391.73 × 21,151.31
  4. Step 4: Simplify right side
    34,317.05x = 1,087,002,208.59
  5. Step 5: Solve for x
    x = 1,087,002,208.59/34,317.05
  6. Step 6: Final answer
    x = 31,675.29

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1.5x scale

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.