Home / 45,327.78-67,916.40-27,760.68

Finding the Fourth Proportional to 45,327.78, 67,916.40 and 27,760.68

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Solution

The fourth proportional to 45,327.78, 67,916.40 and 27,760.68 is: 41,594.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,327.78 : 67,916.40 = 27,760.68 : x
  2. Step 2: Convert to fraction form
    45,327.78/67,916.40 = 27,760.68/x
  3. Step 3: Cross multiply
    45,327.78x = 67,916.40 × 27,760.68
  4. Step 4: Simplify right side
    45,327.78x = 1,885,405,447.15
  5. Step 5: Solve for x
    x = 1,885,405,447.15/45,327.78
  6. Step 6: Final answer
    x = 41,594.92

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1.5x scale

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.