Home / 47,649.10-71,473.25-12,110.53

Finding the Fourth Proportional to 47,649.10, 71,473.25 and 12,110.53

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Solution

The fourth proportional to 47,649.10, 71,473.25 and 12,110.53 is: 18,165.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,649.10 : 71,473.25 = 12,110.53 : x
  2. Step 2: Convert to fraction form
    47,649.10/71,473.25 = 12,110.53/x
  3. Step 3: Cross multiply
    47,649.10x = 71,473.25 × 12,110.53
  4. Step 4: Simplify right side
    47,649.10x = 865,578,571.31
  5. Step 5: Solve for x
    x = 865,578,571.31/47,649.10
  6. Step 6: Final answer
    x = 18,165.68

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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.