Home / 43,788.18-65,703.74-27,143.81

Finding the Fourth Proportional to 43,788.18, 65,703.74 and 27,143.81

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Solution

The fourth proportional to 43,788.18, 65,703.74 and 27,143.81 is: 40,729.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,788.18 : 65,703.74 = 27,143.81 : x
  2. Step 2: Convert to fraction form
    43,788.18/65,703.74 = 27,143.81/x
  3. Step 3: Cross multiply
    43,788.18x = 65,703.74 × 27,143.81
  4. Step 4: Simplify right side
    43,788.18x = 1,783,449,370.61
  5. Step 5: Solve for x
    x = 1,783,449,370.61/43,788.18
  6. Step 6: Final answer
    x = 40,729.01

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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.