Home / 45,545.28-68,297.84-20,584.32

Finding the Fourth Proportional to 45,545.28, 68,297.84 and 20,584.32

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Solution

The fourth proportional to 45,545.28, 68,297.84 and 20,584.32 is: 30,867.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,545.28 : 68,297.84 = 20,584.32 : x
  2. Step 2: Convert to fraction form
    45,545.28/68,297.84 = 20,584.32/x
  3. Step 3: Cross multiply
    45,545.28x = 68,297.84 × 20,584.32
  4. Step 4: Simplify right side
    45,545.28x = 1,405,864,593.87
  5. Step 5: Solve for x
    x = 1,405,864,593.87/45,545.28
  6. Step 6: Final answer
    x = 30,867.40

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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.