Home / 55,378.78-76,396.10-36,250.12

Finding the Fourth Proportional to 55,378.78, 76,396.10 and 36,250.12

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Solution

The fourth proportional to 55,378.78, 76,396.10 and 36,250.12 is: 50,007.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,378.78 : 76,396.10 = 36,250.12 : x
  2. Step 2: Convert to fraction form
    55,378.78/76,396.10 = 36,250.12/x
  3. Step 3: Cross multiply
    55,378.78x = 76,396.10 × 36,250.12
  4. Step 4: Simplify right side
    55,378.78x = 2,769,367,792.53
  5. Step 5: Solve for x
    x = 2,769,367,792.53/55,378.78
  6. Step 6: Final answer
    x = 50,007.74

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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.