Home / 60,249.42-90,313.98-20,781.36

Finding the Fourth Proportional to 60,249.42, 90,313.98 and 20,781.36

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Solution

The fourth proportional to 60,249.42, 90,313.98 and 20,781.36 is: 31,151.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,249.42 : 90,313.98 = 20,781.36 : x
  2. Step 2: Convert to fraction form
    60,249.42/90,313.98 = 20,781.36/x
  3. Step 3: Cross multiply
    60,249.42x = 90,313.98 × 20,781.36
  4. Step 4: Simplify right side
    60,249.42x = 1,876,847,331.41
  5. Step 5: Solve for x
    x = 1,876,847,331.41/60,249.42
  6. Step 6: Final answer
    x = 31,151.29

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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.