Home / 45,338.20-68,007.30-17,618.20

Finding the Fourth Proportional to 45,338.20, 68,007.30 and 17,618.20

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Solution

The fourth proportional to 45,338.20, 68,007.30 and 17,618.20 is: 26,427.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,338.20 : 68,007.30 = 17,618.20 : x
  2. Step 2: Convert to fraction form
    45,338.20/68,007.30 = 17,618.20/x
  3. Step 3: Cross multiply
    45,338.20x = 68,007.30 × 17,618.20
  4. Step 4: Simplify right side
    45,338.20x = 1,198,166,212.86
  5. Step 5: Solve for x
    x = 1,198,166,212.86/45,338.20
  6. Step 6: Final answer
    x = 26,427.30

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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.