Home / 34,120.36-51,180.54-13,329.28

Finding the Fourth Proportional to 34,120.36, 51,180.54 and 13,329.28

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Solution

The fourth proportional to 34,120.36, 51,180.54 and 13,329.28 is: 19,993.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,120.36 : 51,180.54 = 13,329.28 : x
  2. Step 2: Convert to fraction form
    34,120.36/51,180.54 = 13,329.28/x
  3. Step 3: Cross multiply
    34,120.36x = 51,180.54 × 13,329.28
  4. Step 4: Simplify right side
    34,120.36x = 682,199,748.21
  5. Step 5: Solve for x
    x = 682,199,748.21/34,120.36
  6. Step 6: Final answer
    x = 19,993.92

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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.