Home / 43,223.90-64,820.25-18,265.87

Finding the Fourth Proportional to 43,223.90, 64,820.25 and 18,265.87

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Solution

The fourth proportional to 43,223.90, 64,820.25 and 18,265.87 is: 27,392.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,223.90 : 64,820.25 = 18,265.87 : x
  2. Step 2: Convert to fraction form
    43,223.90/64,820.25 = 18,265.87/x
  3. Step 3: Cross multiply
    43,223.90x = 64,820.25 × 18,265.87
  4. Step 4: Simplify right side
    43,223.90x = 1,183,998,523.20
  5. Step 5: Solve for x
    x = 1,183,998,523.20/43,223.90
  6. Step 6: Final answer
    x = 27,392.22

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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.