Home / 37,667.72-51,981.24-21,753.56

Finding the Fourth Proportional to 37,667.72, 51,981.24 and 21,753.56

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Solution

The fourth proportional to 37,667.72, 51,981.24 and 21,753.56 is: 30,019.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,667.72 : 51,981.24 = 21,753.56 : x
  2. Step 2: Convert to fraction form
    37,667.72/51,981.24 = 21,753.56/x
  3. Step 3: Cross multiply
    37,667.72x = 51,981.24 × 21,753.56
  4. Step 4: Simplify right side
    37,667.72x = 1,130,777,023.21
  5. Step 5: Solve for x
    x = 1,130,777,023.21/37,667.72
  6. Step 6: Final answer
    x = 30,019.79

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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.