Home / 37,287.11-51,463.62-21,154.75

Finding the Fourth Proportional to 37,287.11, 51,463.62 and 21,154.75

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Solution

The fourth proportional to 37,287.11, 51,463.62 and 21,154.75 is: 29,197.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,287.11 : 51,463.62 = 21,154.75 : x
  2. Step 2: Convert to fraction form
    37,287.11/51,463.62 = 21,154.75/x
  3. Step 3: Cross multiply
    37,287.11x = 51,463.62 × 21,154.75
  4. Step 4: Simplify right side
    37,287.11x = 1,088,699,886.54
  5. Step 5: Solve for x
    x = 1,088,699,886.54/37,287.11
  6. Step 6: Final answer
    x = 29,197.75

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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.