Home / 54,905.50-75,769.86-29,755

Finding the Fourth Proportional to 54,905.50, 75,769.86 and 29,755

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Solution

The fourth proportional to 54,905.50, 75,769.86 and 29,755 is: 41,062.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,905.50 : 75,769.86 = 29,755 : x
  2. Step 2: Convert to fraction form
    54,905.50/75,769.86 = 29,755/x
  3. Step 3: Cross multiply
    54,905.50x = 75,769.86 × 29,755
  4. Step 4: Simplify right side
    54,905.50x = 2,254,532,184.30
  5. Step 5: Solve for x
    x = 2,254,532,184.30/54,905.50
  6. Step 6: Final answer
    x = 41,062.05

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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.