Home / 64,642.20-89,205.18-35,961.54

Finding the Fourth Proportional to 64,642.20, 89,205.18 and 35,961.54

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Solution

The fourth proportional to 64,642.20, 89,205.18 and 35,961.54 is: 49,626.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,642.20 : 89,205.18 = 35,961.54 : x
  2. Step 2: Convert to fraction form
    64,642.20/89,205.18 = 35,961.54/x
  3. Step 3: Cross multiply
    64,642.20x = 89,205.18 × 35,961.54
  4. Step 4: Simplify right side
    64,642.20x = 3,207,955,648.78
  5. Step 5: Solve for x
    x = 3,207,955,648.78/64,642.20
  6. Step 6: Final answer
    x = 49,626.34

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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.