Home / 50,022.40-75,005.90-20,460.99

Finding the Fourth Proportional to 50,022.40, 75,005.90 and 20,460.99

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Solution

The fourth proportional to 50,022.40, 75,005.90 and 20,460.99 is: 30,680.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,022.40 : 75,005.90 = 20,460.99 : x
  2. Step 2: Convert to fraction form
    50,022.40/75,005.90 = 20,460.99/x
  3. Step 3: Cross multiply
    50,022.40x = 75,005.90 × 20,460.99
  4. Step 4: Simplify right side
    50,022.40x = 1,534,694,867.54
  5. Step 5: Solve for x
    x = 1,534,694,867.54/50,022.40
  6. Step 6: Final answer
    x = 30,680.15

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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.