Home / 43,569.72-65,361.39-18,609.90

Finding the Fourth Proportional to 43,569.72, 65,361.39 and 18,609.90

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Solution

The fourth proportional to 43,569.72, 65,361.39 and 18,609.90 is: 27,917.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,569.72 : 65,361.39 = 18,609.90 : x
  2. Step 2: Convert to fraction form
    43,569.72/65,361.39 = 18,609.90/x
  3. Step 3: Cross multiply
    43,569.72x = 65,361.39 × 18,609.90
  4. Step 4: Simplify right side
    43,569.72x = 1,216,368,931.76
  5. Step 5: Solve for x
    x = 1,216,368,931.76/43,569.72
  6. Step 6: Final answer
    x = 27,917.76

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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.