Home / 43,849.86-65,748.48-20,127.72

Finding the Fourth Proportional to 43,849.86, 65,748.48 and 20,127.72

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Solution

The fourth proportional to 43,849.86, 65,748.48 and 20,127.72 is: 30,179.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,849.86 : 65,748.48 = 20,127.72 : x
  2. Step 2: Convert to fraction form
    43,849.86/65,748.48 = 20,127.72/x
  3. Step 3: Cross multiply
    43,849.86x = 65,748.48 × 20,127.72
  4. Step 4: Simplify right side
    43,849.86x = 1,323,367,166.94
  5. Step 5: Solve for x
    x = 1,323,367,166.94/43,849.86
  6. Step 6: Final answer
    x = 30,179.51

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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.