Home / 31,736.72-43,797.84-19,159.04

Finding the Fourth Proportional to 31,736.72, 43,797.84 and 19,159.04

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Solution

The fourth proportional to 31,736.72, 43,797.84 and 19,159.04 is: 26,440.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,736.72 : 43,797.84 = 19,159.04 : x
  2. Step 2: Convert to fraction form
    31,736.72/43,797.84 = 19,159.04/x
  3. Step 3: Cross multiply
    31,736.72x = 43,797.84 × 19,159.04
  4. Step 4: Simplify right side
    31,736.72x = 839,124,568.47
  5. Step 5: Solve for x
    x = 839,124,568.47/31,736.72
  6. Step 6: Final answer
    x = 26,440.18

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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.