Home / 37,402.09-51,616.85-21,487.56

Finding the Fourth Proportional to 37,402.09, 51,616.85 and 21,487.56

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Solution

The fourth proportional to 37,402.09, 51,616.85 and 21,487.56 is: 29,653.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,402.09 : 51,616.85 = 21,487.56 : x
  2. Step 2: Convert to fraction form
    37,402.09/51,616.85 = 21,487.56/x
  3. Step 3: Cross multiply
    37,402.09x = 51,616.85 × 21,487.56
  4. Step 4: Simplify right side
    37,402.09x = 1,109,120,215.10
  5. Step 5: Solve for x
    x = 1,109,120,215.10/37,402.09
  6. Step 6: Final answer
    x = 29,653.97

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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.