Home / 35,933.28-49,589.19-20,018.70

Finding the Fourth Proportional to 35,933.28, 49,589.19 and 20,018.70

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Solution

The fourth proportional to 35,933.28, 49,589.19 and 20,018.70 is: 27,626.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,933.28 : 49,589.19 = 20,018.70 : x
  2. Step 2: Convert to fraction form
    35,933.28/49,589.19 = 20,018.70/x
  3. Step 3: Cross multiply
    35,933.28x = 49,589.19 × 20,018.70
  4. Step 4: Simplify right side
    35,933.28x = 992,711,117.85
  5. Step 5: Solve for x
    x = 992,711,117.85/35,933.28
  6. Step 6: Final answer
    x = 27,626.51

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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.