Home / 34,358.51-51,550.05-21,195.56

Finding the Fourth Proportional to 34,358.51, 51,550.05 and 21,195.56

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Solution

The fourth proportional to 34,358.51, 51,550.05 and 21,195.56 is: 31,800.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,358.51 : 51,550.05 = 21,195.56 : x
  2. Step 2: Convert to fraction form
    34,358.51/51,550.05 = 21,195.56/x
  3. Step 3: Cross multiply
    34,358.51x = 51,550.05 × 21,195.56
  4. Step 4: Simplify right side
    34,358.51x = 1,092,632,177.78
  5. Step 5: Solve for x
    x = 1,092,632,177.78/34,358.51
  6. Step 6: Final answer
    x = 31,800.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.