Home / 31,299.99-43,201.97-19,356.34

Finding the Fourth Proportional to 31,299.99, 43,201.97 and 19,356.34

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Solution

The fourth proportional to 31,299.99, 43,201.97 and 19,356.34 is: 26,716.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,299.99 : 43,201.97 = 19,356.34 : x
  2. Step 2: Convert to fraction form
    31,299.99/43,201.97 = 19,356.34/x
  3. Step 3: Cross multiply
    31,299.99x = 43,201.97 × 19,356.34
  4. Step 4: Simplify right side
    31,299.99x = 836,232,019.99
  5. Step 5: Solve for x
    x = 836,232,019.99/31,299.99
  6. Step 6: Final answer
    x = 26,716.69

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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.