Home / 54,270.40-74,902.43-31,622.82

Finding the Fourth Proportional to 54,270.40, 74,902.43 and 31,622.82

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Solution

The fourth proportional to 54,270.40, 74,902.43 and 31,622.82 is: 43,644.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,270.40 : 74,902.43 = 31,622.82 : x
  2. Step 2: Convert to fraction form
    54,270.40/74,902.43 = 31,622.82/x
  3. Step 3: Cross multiply
    54,270.40x = 74,902.43 × 31,622.82
  4. Step 4: Simplify right side
    54,270.40x = 2,368,625,903.34
  5. Step 5: Solve for x
    x = 2,368,625,903.34/54,270.40
  6. Step 6: Final answer
    x = 43,644.89

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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.