Home / 35,716.92-49,288.60-19,800.40

Finding the Fourth Proportional to 35,716.92, 49,288.60 and 19,800.40

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Solution

The fourth proportional to 35,716.92, 49,288.60 and 19,800.40 is: 27,324.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,716.92 : 49,288.60 = 19,800.40 : x
  2. Step 2: Convert to fraction form
    35,716.92/49,288.60 = 19,800.40/x
  3. Step 3: Cross multiply
    35,716.92x = 49,288.60 × 19,800.40
  4. Step 4: Simplify right side
    35,716.92x = 975,933,995.44
  5. Step 5: Solve for x
    x = 975,933,995.44/35,716.92
  6. Step 6: Final answer
    x = 27,324.14

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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.