Home / 37,581.72-51,865.20-21,667.20

Finding the Fourth Proportional to 37,581.72, 51,865.20 and 21,667.20

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Solution

The fourth proportional to 37,581.72, 51,865.20 and 21,667.20 is: 29,902.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,581.72 : 51,865.20 = 21,667.20 : x
  2. Step 2: Convert to fraction form
    37,581.72/51,865.20 = 21,667.20/x
  3. Step 3: Cross multiply
    37,581.72x = 51,865.20 × 21,667.20
  4. Step 4: Simplify right side
    37,581.72x = 1,123,773,661.44
  5. Step 5: Solve for x
    x = 1,123,773,661.44/37,581.72
  6. Step 6: Final answer
    x = 29,902.13

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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.