Home / 40,581.60-60,871.68-20,848.56

Finding the Fourth Proportional to 40,581.60, 60,871.68 and 20,848.56

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Solution

The fourth proportional to 40,581.60, 60,871.68 and 20,848.56 is: 31,272.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,581.60 : 60,871.68 = 20,848.56 : x
  2. Step 2: Convert to fraction form
    40,581.60/60,871.68 = 20,848.56/x
  3. Step 3: Cross multiply
    40,581.60x = 60,871.68 × 20,848.56
  4. Step 4: Simplify right side
    40,581.60x = 1,269,086,872.78
  5. Step 5: Solve for x
    x = 1,269,086,872.78/40,581.60
  6. Step 6: Final answer
    x = 31,272.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.