Home / 50,026.14-75,039.21-20,443.98

Finding the Fourth Proportional to 50,026.14, 75,039.21 and 20,443.98

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Solution

The fourth proportional to 50,026.14, 75,039.21 and 20,443.98 is: 30,665.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,026.14 : 75,039.21 = 20,443.98 : x
  2. Step 2: Convert to fraction form
    50,026.14/75,039.21 = 20,443.98/x
  3. Step 3: Cross multiply
    50,026.14x = 75,039.21 × 20,443.98
  4. Step 4: Simplify right side
    50,026.14x = 1,534,100,108.46
  5. Step 5: Solve for x
    x = 1,534,100,108.46/50,026.14
  6. Step 6: Final answer
    x = 30,665.97

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Double scale
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Similar ratio
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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.