Home / 60,210.76-90,333.96-20,771.86

Finding the Fourth Proportional to 60,210.76, 90,333.96 and 20,771.86

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Solution

The fourth proportional to 60,210.76, 90,333.96 and 20,771.86 is: 31,163.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,210.76 : 90,333.96 = 20,771.86 : x
  2. Step 2: Convert to fraction form
    60,210.76/90,333.96 = 20,771.86/x
  3. Step 3: Cross multiply
    60,210.76x = 90,333.96 × 20,771.86
  4. Step 4: Simplify right side
    60,210.76x = 1,876,404,370.37
  5. Step 5: Solve for x
    x = 1,876,404,370.37/60,210.76
  6. Step 6: Final answer
    x = 31,163.94

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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.