Home / 36,294.62-50,087.16-20,378.72

Finding the Fourth Proportional to 36,294.62, 50,087.16 and 20,378.72

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Solution

The fourth proportional to 36,294.62, 50,087.16 and 20,378.72 is: 28,122.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,294.62 : 50,087.16 = 20,378.72 : x
  2. Step 2: Convert to fraction form
    36,294.62/50,087.16 = 20,378.72/x
  3. Step 3: Cross multiply
    36,294.62x = 50,087.16 × 20,378.72
  4. Step 4: Simplify right side
    36,294.62x = 1,020,712,334.45
  5. Step 5: Solve for x
    x = 1,020,712,334.45/36,294.62
  6. Step 6: Final answer
    x = 28,122.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.