Home / 55,452.05-76,523.75-31,578.74

Finding the Fourth Proportional to 55,452.05, 76,523.75 and 31,578.74

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Solution

The fourth proportional to 55,452.05, 76,523.75 and 31,578.74 is: 43,578.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,452.05 : 76,523.75 = 31,578.74 : x
  2. Step 2: Convert to fraction form
    55,452.05/76,523.75 = 31,578.74/x
  3. Step 3: Cross multiply
    55,452.05x = 76,523.75 × 31,578.74
  4. Step 4: Simplify right side
    55,452.05x = 2,416,523,447.18
  5. Step 5: Solve for x
    x = 2,416,523,447.18/55,452.05
  6. Step 6: Final answer
    x = 43,578.61

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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.