Home / 49,989.96-75,015.16-21,911.62

Finding the Fourth Proportional to 49,989.96, 75,015.16 and 21,911.62

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Solution

The fourth proportional to 49,989.96, 75,015.16 and 21,911.62 is: 32,880.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,989.96 : 75,015.16 = 21,911.62 : x
  2. Step 2: Convert to fraction form
    49,989.96/75,015.16 = 21,911.62/x
  3. Step 3: Cross multiply
    49,989.96x = 75,015.16 × 21,911.62
  4. Step 4: Simplify right side
    49,989.96x = 1,643,703,680.16
  5. Step 5: Solve for x
    x = 1,643,703,680.16/49,989.96
  6. Step 6: Final answer
    x = 32,880.68

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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.