Home / 60,610.34-90,920.68-18,499.86

Finding the Fourth Proportional to 60,610.34, 90,920.68 and 18,499.86

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Solution

The fourth proportional to 60,610.34, 90,920.68 and 18,499.86 is: 27,751.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,610.34 : 90,920.68 = 18,499.86 : x
  2. Step 2: Convert to fraction form
    60,610.34/90,920.68 = 18,499.86/x
  3. Step 3: Cross multiply
    60,610.34x = 90,920.68 × 18,499.86
  4. Step 4: Simplify right side
    60,610.34x = 1,682,019,804.86
  5. Step 5: Solve for x
    x = 1,682,019,804.86/60,610.34
  6. Step 6: Final answer
    x = 27,751.37

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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.