Home / 47,811.15-65,974.77-27,664.02

Finding the Fourth Proportional to 47,811.15, 65,974.77 and 27,664.02

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Solution

The fourth proportional to 47,811.15, 65,974.77 and 27,664.02 is: 38,173.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,811.15 : 65,974.77 = 27,664.02 : x
  2. Step 2: Convert to fraction form
    47,811.15/65,974.77 = 27,664.02/x
  3. Step 3: Cross multiply
    47,811.15x = 65,974.77 × 27,664.02
  4. Step 4: Simplify right side
    47,811.15x = 1,825,127,356.78
  5. Step 5: Solve for x
    x = 1,825,127,356.78/47,811.15
  6. Step 6: Final answer
    x = 38,173.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.