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Finding the Fourth Proportional to 52,963.71, 79,445.61 and 37,239.08

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Solution

The fourth proportional to 52,963.71, 79,445.61 and 37,239.08 is: 55,858.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,963.71 : 79,445.61 = 37,239.08 : x
  2. Step 2: Convert to fraction form
    52,963.71/79,445.61 = 37,239.08/x
  3. Step 3: Cross multiply
    52,963.71x = 79,445.61 × 37,239.08
  4. Step 4: Simplify right side
    52,963.71x = 2,958,481,029.21
  5. Step 5: Solve for x
    x = 2,958,481,029.21/52,963.71
  6. Step 6: Final answer
    x = 55,858.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.