Home / 35,439.50-48,904.62-20,329.04

Finding the Fourth Proportional to 35,439.50, 48,904.62 and 20,329.04

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Solution

The fourth proportional to 35,439.50, 48,904.62 and 20,329.04 is: 28,052.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,439.50 : 48,904.62 = 20,329.04 : x
  2. Step 2: Convert to fraction form
    35,439.50/48,904.62 = 20,329.04/x
  3. Step 3: Cross multiply
    35,439.50x = 48,904.62 × 20,329.04
  4. Step 4: Simplify right side
    35,439.50x = 994,183,976.16
  5. Step 5: Solve for x
    x = 994,183,976.16/35,439.50
  6. Step 6: Final answer
    x = 28,052.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.