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Finding the Fourth Proportional to 54,911.66, 75,748.86 and 33,407.96

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Solution

The fourth proportional to 54,911.66, 75,748.86 and 33,407.96 is: 46,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,911.66 : 75,748.86 = 33,407.96 : x
  2. Step 2: Convert to fraction form
    54,911.66/75,748.86 = 33,407.96/x
  3. Step 3: Cross multiply
    54,911.66x = 75,748.86 × 33,407.96
  4. Step 4: Simplify right side
    54,911.66x = 2,530,614,506.18
  5. Step 5: Solve for x
    x = 2,530,614,506.18/54,911.66
  6. Step 6: Final answer
    x = 46,085.20

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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.