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Finding the Fourth Proportional to 60,435.48, 83,398.59 and 33,579.66

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Solution

The fourth proportional to 60,435.48, 83,398.59 and 33,579.66 is: 46,338.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,435.48 : 83,398.59 = 33,579.66 : x
  2. Step 2: Convert to fraction form
    60,435.48/83,398.59 = 33,579.66/x
  3. Step 3: Cross multiply
    60,435.48x = 83,398.59 × 33,579.66
  4. Step 4: Simplify right side
    60,435.48x = 2,800,496,296.68
  5. Step 5: Solve for x
    x = 2,800,496,296.68/60,435.48
  6. Step 6: Final answer
    x = 46,338.61

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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.