Home / 50,915.32-76,381.47-21,335.38

Finding the Fourth Proportional to 50,915.32, 76,381.47 and 21,335.38

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Solution

The fourth proportional to 50,915.32, 76,381.47 and 21,335.38 is: 32,006.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,915.32 : 76,381.47 = 21,335.38 : x
  2. Step 2: Convert to fraction form
    50,915.32/76,381.47 = 21,335.38/x
  3. Step 3: Cross multiply
    50,915.32x = 76,381.47 × 21,335.38
  4. Step 4: Simplify right side
    50,915.32x = 1,629,627,496.45
  5. Step 5: Solve for x
    x = 1,629,627,496.45/50,915.32
  6. Step 6: Final answer
    x = 32,006.63

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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.