Home / 60,110.72-90,178.38-20,662.71

Finding the Fourth Proportional to 60,110.72, 90,178.38 and 20,662.71

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Solution

The fourth proportional to 60,110.72, 90,178.38 and 20,662.71 is: 30,998.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,110.72 : 90,178.38 = 20,662.71 : x
  2. Step 2: Convert to fraction form
    60,110.72/90,178.38 = 20,662.71/x
  3. Step 3: Cross multiply
    60,110.72x = 90,178.38 × 20,662.71
  4. Step 4: Simplify right side
    60,110.72x = 1,863,329,714.21
  5. Step 5: Solve for x
    x = 1,863,329,714.21/60,110.72
  6. Step 6: Final answer
    x = 30,998.29

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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.