Home / 49,535.88-74,309.01-21,458.78

Finding the Fourth Proportional to 49,535.88, 74,309.01 and 21,458.78

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Solution

The fourth proportional to 49,535.88, 74,309.01 and 21,458.78 is: 32,190.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,535.88 : 74,309.01 = 21,458.78 : x
  2. Step 2: Convert to fraction form
    49,535.88/74,309.01 = 21,458.78/x
  3. Step 3: Cross multiply
    49,535.88x = 74,309.01 × 21,458.78
  4. Step 4: Simplify right side
    49,535.88x = 1,594,580,697.61
  5. Step 5: Solve for x
    x = 1,594,580,697.61/49,535.88
  6. Step 6: Final answer
    x = 32,190.42

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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.