Home / 53,844.60-74,304.90-31,488.60

Finding the Fourth Proportional to 53,844.60, 74,304.90 and 31,488.60

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Solution

The fourth proportional to 53,844.60, 74,304.90 and 31,488.60 is: 43,453.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,844.60 : 74,304.90 = 31,488.60 : x
  2. Step 2: Convert to fraction form
    53,844.60/74,304.90 = 31,488.60/x
  3. Step 3: Cross multiply
    53,844.60x = 74,304.90 × 31,488.60
  4. Step 4: Simplify right side
    53,844.60x = 2,339,757,274.14
  5. Step 5: Solve for x
    x = 2,339,757,274.14/53,844.60
  6. Step 6: Final answer
    x = 43,453.89

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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.