Home / 47,254.89-70,912-19,175.05

Finding the Fourth Proportional to 47,254.89, 70,912 and 19,175.05

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Solution

The fourth proportional to 47,254.89, 70,912 and 19,175.05 is: 28,774.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,254.89 : 70,912 = 19,175.05 : x
  2. Step 2: Convert to fraction form
    47,254.89/70,912 = 19,175.05/x
  3. Step 3: Cross multiply
    47,254.89x = 70,912 × 19,175.05
  4. Step 4: Simplify right side
    47,254.89x = 1,359,741,145.60
  5. Step 5: Solve for x
    x = 1,359,741,145.60/47,254.89
  6. Step 6: Final answer
    x = 28,774.61

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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.