Home / 40,682.53-56,147.78-22,778.69

Finding the Fourth Proportional to 40,682.53, 56,147.78 and 22,778.69

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Solution

The fourth proportional to 40,682.53, 56,147.78 and 22,778.69 is: 31,437.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,682.53 : 56,147.78 = 22,778.69 : x
  2. Step 2: Convert to fraction form
    40,682.53/56,147.78 = 22,778.69/x
  3. Step 3: Cross multiply
    40,682.53x = 56,147.78 × 22,778.69
  4. Step 4: Simplify right side
    40,682.53x = 1,278,972,874.81
  5. Step 5: Solve for x
    x = 1,278,972,874.81/40,682.53
  6. Step 6: Final answer
    x = 31,437.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.