Home / 37,399.13-51,615.60-21,486.66

Finding the Fourth Proportional to 37,399.13, 51,615.60 and 21,486.66

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Solution

The fourth proportional to 37,399.13, 51,615.60 and 21,486.66 is: 29,654.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,399.13 : 51,615.60 = 21,486.66 : x
  2. Step 2: Convert to fraction form
    37,399.13/51,615.60 = 21,486.66/x
  3. Step 3: Cross multiply
    37,399.13x = 51,615.60 × 21,486.66
  4. Step 4: Simplify right side
    37,399.13x = 1,109,046,847.90
  5. Step 5: Solve for x
    x = 1,109,046,847.90/37,399.13
  6. Step 6: Final answer
    x = 29,654.35

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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.