Home / 34,231.28-51,346.37-13,175.90

Finding the Fourth Proportional to 34,231.28, 51,346.37 and 13,175.90

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Solution

The fourth proportional to 34,231.28, 51,346.37 and 13,175.90 is: 19,763.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,231.28 : 51,346.37 = 13,175.90 : x
  2. Step 2: Convert to fraction form
    34,231.28/51,346.37 = 13,175.90/x
  3. Step 3: Cross multiply
    34,231.28x = 51,346.37 × 13,175.90
  4. Step 4: Simplify right side
    34,231.28x = 676,534,363.28
  5. Step 5: Solve for x
    x = 676,534,363.28/34,231.28
  6. Step 6: Final answer
    x = 19,763.63

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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.