Home / 54,091.03-74,649.66-31,127.89

Finding the Fourth Proportional to 54,091.03, 74,649.66 and 31,127.89

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Solution

The fourth proportional to 54,091.03, 74,649.66 and 31,127.89 is: 42,958.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,091.03 : 74,649.66 = 31,127.89 : x
  2. Step 2: Convert to fraction form
    54,091.03/74,649.66 = 31,127.89/x
  3. Step 3: Cross multiply
    54,091.03x = 74,649.66 × 31,127.89
  4. Step 4: Simplify right side
    54,091.03x = 2,323,686,405.02
  5. Step 5: Solve for x
    x = 2,323,686,405.02/54,091.03
  6. Step 6: Final answer
    x = 42,958.81

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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.