Home / 64,626-89,182.26-35,945.79

Finding the Fourth Proportional to 64,626, 89,182.26 and 35,945.79

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Solution

The fourth proportional to 64,626, 89,182.26 and 35,945.79 is: 49,604.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,626 : 89,182.26 = 35,945.79 : x
  2. Step 2: Convert to fraction form
    64,626/89,182.26 = 35,945.79/x
  3. Step 3: Cross multiply
    64,626x = 89,182.26 × 35,945.79
  4. Step 4: Simplify right side
    64,626x = 3,205,726,789.69
  5. Step 5: Solve for x
    x = 3,205,726,789.69/64,626
  6. Step 6: Final answer
    x = 49,604.29

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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.