Home / 31,441.84-43,396.34-19,949.28

Finding the Fourth Proportional to 31,441.84, 43,396.34 and 19,949.28

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Solution

The fourth proportional to 31,441.84, 43,396.34 and 19,949.28 is: 27,534.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,441.84 : 43,396.34 = 19,949.28 : x
  2. Step 2: Convert to fraction form
    31,441.84/43,396.34 = 19,949.28/x
  3. Step 3: Cross multiply
    31,441.84x = 43,396.34 × 19,949.28
  4. Step 4: Simplify right side
    31,441.84x = 865,725,737.64
  5. Step 5: Solve for x
    x = 865,725,737.64/31,441.84
  6. Step 6: Final answer
    x = 27,534.19

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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.