Home / 49,856.48-74,762.82-18,669.86

Finding the Fourth Proportional to 49,856.48, 74,762.82 and 18,669.86

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Solution

The fourth proportional to 49,856.48, 74,762.82 and 18,669.86 is: 27,996.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,856.48 : 74,762.82 = 18,669.86 : x
  2. Step 2: Convert to fraction form
    49,856.48/74,762.82 = 18,669.86/x
  3. Step 3: Cross multiply
    49,856.48x = 74,762.82 × 18,669.86
  4. Step 4: Simplify right side
    49,856.48x = 1,395,811,382.61
  5. Step 5: Solve for x
    x = 1,395,811,382.61/49,856.48
  6. Step 6: Final answer
    x = 27,996.59

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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.