Home / 49,928.15-74,915.38-21,844.51

Finding the Fourth Proportional to 49,928.15, 74,915.38 and 21,844.51

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Solution

The fourth proportional to 49,928.15, 74,915.38 and 21,844.51 is: 32,776.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,928.15 : 74,915.38 = 21,844.51 : x
  2. Step 2: Convert to fraction form
    49,928.15/74,915.38 = 21,844.51/x
  3. Step 3: Cross multiply
    49,928.15x = 74,915.38 × 21,844.51
  4. Step 4: Simplify right side
    49,928.15x = 1,636,489,607.58
  5. Step 5: Solve for x
    x = 1,636,489,607.58/49,928.15
  6. Step 6: Final answer
    x = 32,776.89

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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.