Home / 51,894.16-77,846.28-13,942.96

Finding the Fourth Proportional to 51,894.16, 77,846.28 and 13,942.96

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Solution

The fourth proportional to 51,894.16, 77,846.28 and 13,942.96 is: 20,915.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,894.16 : 77,846.28 = 13,942.96 : x
  2. Step 2: Convert to fraction form
    51,894.16/77,846.28 = 13,942.96/x
  3. Step 3: Cross multiply
    51,894.16x = 77,846.28 × 13,942.96
  4. Step 4: Simplify right side
    51,894.16x = 1,085,407,568.19
  5. Step 5: Solve for x
    x = 1,085,407,568.19/51,894.16
  6. Step 6: Final answer
    x = 20,915.79

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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.