Home / 50,028.58-75,042.98-20,446.40

Finding the Fourth Proportional to 50,028.58, 75,042.98 and 20,446.40

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Solution

The fourth proportional to 50,028.58, 75,042.98 and 20,446.40 is: 30,669.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,028.58 : 75,042.98 = 20,446.40 : x
  2. Step 2: Convert to fraction form
    50,028.58/75,042.98 = 20,446.40/x
  3. Step 3: Cross multiply
    50,028.58x = 75,042.98 × 20,446.40
  4. Step 4: Simplify right side
    50,028.58x = 1,534,358,786.27
  5. Step 5: Solve for x
    x = 1,534,358,786.27/50,028.58
  6. Step 6: Final answer
    x = 30,669.64

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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.