Home / 54,345.05-74,961.65-39,259.88

Finding the Fourth Proportional to 54,345.05, 74,961.65 and 39,259.88

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Solution

The fourth proportional to 54,345.05, 74,961.65 and 39,259.88 is: 54,153.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,345.05 : 74,961.65 = 39,259.88 : x
  2. Step 2: Convert to fraction form
    54,345.05/74,961.65 = 39,259.88/x
  3. Step 3: Cross multiply
    54,345.05x = 74,961.65 × 39,259.88
  4. Step 4: Simplify right side
    54,345.05x = 2,942,985,383.60
  5. Step 5: Solve for x
    x = 2,942,985,383.60/54,345.05
  6. Step 6: Final answer
    x = 54,153.70

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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.