Home / 50,331.48-75,504.51-18,738.96

Finding the Fourth Proportional to 50,331.48, 75,504.51 and 18,738.96

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Solution

The fourth proportional to 50,331.48, 75,504.51 and 18,738.96 is: 28,111.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,331.48 : 75,504.51 = 18,738.96 : x
  2. Step 2: Convert to fraction form
    50,331.48/75,504.51 = 18,738.96/x
  3. Step 3: Cross multiply
    50,331.48x = 75,504.51 × 18,738.96
  4. Step 4: Simplify right side
    50,331.48x = 1,414,875,992.71
  5. Step 5: Solve for x
    x = 1,414,875,992.71/50,331.48
  6. Step 6: Final answer
    x = 28,111.15

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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.