Home / 37,394.72-51,605.68-20,399.25

Finding the Fourth Proportional to 37,394.72, 51,605.68 and 20,399.25

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Solution

The fourth proportional to 37,394.72, 51,605.68 and 20,399.25 is: 28,151.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,394.72 : 51,605.68 = 20,399.25 : x
  2. Step 2: Convert to fraction form
    37,394.72/51,605.68 = 20,399.25/x
  3. Step 3: Cross multiply
    37,394.72x = 51,605.68 × 20,399.25
  4. Step 4: Simplify right side
    37,394.72x = 1,052,717,167.74
  5. Step 5: Solve for x
    x = 1,052,717,167.74/37,394.72
  6. Step 6: Final answer
    x = 28,151.49

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1.5x scale

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.