Home / 54,877.05-75,731.82-31,003.23

Finding the Fourth Proportional to 54,877.05, 75,731.82 and 31,003.23

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Solution

The fourth proportional to 54,877.05, 75,731.82 and 31,003.23 is: 42,785.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,877.05 : 75,731.82 = 31,003.23 : x
  2. Step 2: Convert to fraction form
    54,877.05/75,731.82 = 31,003.23/x
  3. Step 3: Cross multiply
    54,877.05x = 75,731.82 × 31,003.23
  4. Step 4: Simplify right side
    54,877.05x = 2,347,931,033.78
  5. Step 5: Solve for x
    x = 2,347,931,033.78/54,877.05
  6. Step 6: Final answer
    x = 42,785.30

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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.