Home / 51,938.41-77,942.66-20,344.55

Finding the Fourth Proportional to 51,938.41, 77,942.66 and 20,344.55

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Solution

The fourth proportional to 51,938.41, 77,942.66 and 20,344.55 is: 30,530.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,938.41 : 77,942.66 = 20,344.55 : x
  2. Step 2: Convert to fraction form
    51,938.41/77,942.66 = 20,344.55/x
  3. Step 3: Cross multiply
    51,938.41x = 77,942.66 × 20,344.55
  4. Step 4: Simplify right side
    51,938.41x = 1,585,708,252.84
  5. Step 5: Solve for x
    x = 1,585,708,252.84/51,938.41
  6. Step 6: Final answer
    x = 30,530.55

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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.