Home / 47,435.38-71,148.30-12,375.10

Finding the Fourth Proportional to 47,435.38, 71,148.30 and 12,375.10

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Solution

The fourth proportional to 47,435.38, 71,148.30 and 12,375.10 is: 18,561.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,435.38 : 71,148.30 = 12,375.10 : x
  2. Step 2: Convert to fraction form
    47,435.38/71,148.30 = 12,375.10/x
  3. Step 3: Cross multiply
    47,435.38x = 71,148.30 × 12,375.10
  4. Step 4: Simplify right side
    47,435.38x = 880,467,327.33
  5. Step 5: Solve for x
    x = 880,467,327.33/47,435.38
  6. Step 6: Final answer
    x = 18,561.41

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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.