Home / 31,535.19-43,519.48-17,388.95

Finding the Fourth Proportional to 31,535.19, 43,519.48 and 17,388.95

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Solution

The fourth proportional to 31,535.19, 43,519.48 and 17,388.95 is: 23,997.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,535.19 : 43,519.48 = 17,388.95 : x
  2. Step 2: Convert to fraction form
    31,535.19/43,519.48 = 17,388.95/x
  3. Step 3: Cross multiply
    31,535.19x = 43,519.48 × 17,388.95
  4. Step 4: Simplify right side
    31,535.19x = 756,757,800.68
  5. Step 5: Solve for x
    x = 756,757,800.68/31,535.19
  6. Step 6: Final answer
    x = 23,997.25

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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.