Home / 43,954.60-65,950.35-18,981.79

Finding the Fourth Proportional to 43,954.60, 65,950.35 and 18,981.79

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Solution

The fourth proportional to 43,954.60, 65,950.35 and 18,981.79 is: 28,480.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,954.60 : 65,950.35 = 18,981.79 : x
  2. Step 2: Convert to fraction form
    43,954.60/65,950.35 = 18,981.79/x
  3. Step 3: Cross multiply
    43,954.60x = 65,950.35 × 18,981.79
  4. Step 4: Simplify right side
    43,954.60x = 1,251,855,935.81
  5. Step 5: Solve for x
    x = 1,251,855,935.81/43,954.60
  6. Step 6: Final answer
    x = 28,480.66

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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.