Home / 34,159.89-51,229.83-11,969.13

Finding the Fourth Proportional to 34,159.89, 51,229.83 and 11,969.13

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Solution

The fourth proportional to 34,159.89, 51,229.83 and 11,969.13 is: 17,950.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,159.89 : 51,229.83 = 11,969.13 : x
  2. Step 2: Convert to fraction form
    34,159.89/51,229.83 = 11,969.13/x
  3. Step 3: Cross multiply
    34,159.89x = 51,229.83 × 11,969.13
  4. Step 4: Simplify right side
    34,159.89x = 613,176,495.15
  5. Step 5: Solve for x
    x = 613,176,495.15/34,159.89
  6. Step 6: Final answer
    x = 17,950.19

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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.