Home / 29,378.97-40,535.91-19,836.36

Finding the Fourth Proportional to 29,378.97, 40,535.91 and 19,836.36

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Solution

The fourth proportional to 29,378.97, 40,535.91 and 19,836.36 is: 27,369.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,378.97 : 40,535.91 = 19,836.36 : x
  2. Step 2: Convert to fraction form
    29,378.97/40,535.91 = 19,836.36/x
  3. Step 3: Cross multiply
    29,378.97x = 40,535.91 × 19,836.36
  4. Step 4: Simplify right side
    29,378.97x = 804,084,903.69
  5. Step 5: Solve for x
    x = 804,084,903.69/29,378.97
  6. Step 6: Final answer
    x = 27,369.40

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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.