Home / 20,050.42-30,053.36-10,169.28

Finding the Fourth Proportional to 20,050.42, 30,053.36 and 10,169.28

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Solution

The fourth proportional to 20,050.42, 30,053.36 and 10,169.28 is: 15,242.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,050.42 : 30,053.36 = 10,169.28 : x
  2. Step 2: Convert to fraction form
    20,050.42/30,053.36 = 10,169.28/x
  3. Step 3: Cross multiply
    20,050.42x = 30,053.36 × 10,169.28
  4. Step 4: Simplify right side
    20,050.42x = 305,621,032.78
  5. Step 5: Solve for x
    x = 305,621,032.78/20,050.42
  6. Step 6: Final answer
    x = 15,242.62

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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.