Home / 39,474.36-54,472.64-21,566.07

Finding the Fourth Proportional to 39,474.36, 54,472.64 and 21,566.07

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Solution

The fourth proportional to 39,474.36, 54,472.64 and 21,566.07 is: 29,760.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,474.36 : 54,472.64 = 21,566.07 : x
  2. Step 2: Convert to fraction form
    39,474.36/54,472.64 = 21,566.07/x
  3. Step 3: Cross multiply
    39,474.36x = 54,472.64 × 21,566.07
  4. Step 4: Simplify right side
    39,474.36x = 1,174,760,659.49
  5. Step 5: Solve for x
    x = 1,174,760,659.49/39,474.36
  6. Step 6: Final answer
    x = 29,760.09

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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.