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Finding the Fourth Proportional to 45,452.40, 68,168.04 and 17,362.20

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Solution

The fourth proportional to 45,452.40, 68,168.04 and 17,362.20 is: 26,039.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,452.40 : 68,168.04 = 17,362.20 : x
  2. Step 2: Convert to fraction form
    45,452.40/68,168.04 = 17,362.20/x
  3. Step 3: Cross multiply
    45,452.40x = 68,168.04 × 17,362.20
  4. Step 4: Simplify right side
    45,452.40x = 1,183,547,144.09
  5. Step 5: Solve for x
    x = 1,183,547,144.09/45,452.40
  6. Step 6: Final answer
    x = 26,039.27

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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.