Home / 42,469.44-63,705.60-11,307.84

Finding the Fourth Proportional to 42,469.44, 63,705.60 and 11,307.84

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Solution

The fourth proportional to 42,469.44, 63,705.60 and 11,307.84 is: 16,962.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,469.44 : 63,705.60 = 11,307.84 : x
  2. Step 2: Convert to fraction form
    42,469.44/63,705.60 = 11,307.84/x
  3. Step 3: Cross multiply
    42,469.44x = 63,705.60 × 11,307.84
  4. Step 4: Simplify right side
    42,469.44x = 720,372,731.90
  5. Step 5: Solve for x
    x = 720,372,731.90/42,469.44
  6. Step 6: Final answer
    x = 16,962.14

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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.