Home / 36,294.48-50,086.34-20,378.99

Finding the Fourth Proportional to 36,294.48, 50,086.34 and 20,378.99

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Solution

The fourth proportional to 36,294.48, 50,086.34 and 20,378.99 is: 28,122.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,294.48 : 50,086.34 = 20,378.99 : x
  2. Step 2: Convert to fraction form
    36,294.48/50,086.34 = 20,378.99/x
  3. Step 3: Cross multiply
    36,294.48x = 50,086.34 × 20,378.99
  4. Step 4: Simplify right side
    36,294.48x = 1,020,709,022.00
  5. Step 5: Solve for x
    x = 1,020,709,022.00/36,294.48
  6. Step 6: Final answer
    x = 28,122.98

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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.