Home / 29,447.36-40,633.68-19,908.01

Finding the Fourth Proportional to 29,447.36, 40,633.68 and 19,908.01

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Solution

The fourth proportional to 29,447.36, 40,633.68 and 19,908.01 is: 27,470.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,447.36 : 40,633.68 = 19,908.01 : x
  2. Step 2: Convert to fraction form
    29,447.36/40,633.68 = 19,908.01/x
  3. Step 3: Cross multiply
    29,447.36x = 40,633.68 × 19,908.01
  4. Step 4: Simplify right side
    29,447.36x = 808,935,504.61
  5. Step 5: Solve for x
    x = 808,935,504.61/29,447.36
  6. Step 6: Final answer
    x = 27,470.56

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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.