Home / 55,185.32-76,084.58-40,099.88

Finding the Fourth Proportional to 55,185.32, 76,084.58 and 40,099.88

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Solution

The fourth proportional to 55,185.32, 76,084.58 and 40,099.88 is: 55,286.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,185.32 : 76,084.58 = 40,099.88 : x
  2. Step 2: Convert to fraction form
    55,185.32/76,084.58 = 40,099.88/x
  3. Step 3: Cross multiply
    55,185.32x = 76,084.58 × 40,099.88
  4. Step 4: Simplify right side
    55,185.32x = 3,050,982,527.85
  5. Step 5: Solve for x
    x = 3,050,982,527.85/55,185.32
  6. Step 6: Final answer
    x = 55,286.13

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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.