Home / 60,011.25-89,997.09-20,019.21

Finding the Fourth Proportional to 60,011.25, 89,997.09 and 20,019.21

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Solution

The fourth proportional to 60,011.25, 89,997.09 and 20,019.21 is: 30,022.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,011.25 : 89,997.09 = 20,019.21 : x
  2. Step 2: Convert to fraction form
    60,011.25/89,997.09 = 20,019.21/x
  3. Step 3: Cross multiply
    60,011.25x = 89,997.09 × 20,019.21
  4. Step 4: Simplify right side
    60,011.25x = 1,801,670,644.10
  5. Step 5: Solve for x
    x = 1,801,670,644.10/60,011.25
  6. Step 6: Final answer
    x = 30,022.21

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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.