Home / 30,238.80-45,273-22,819.68

Finding the Fourth Proportional to 30,238.80, 45,273 and 22,819.68

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Solution

The fourth proportional to 30,238.80, 45,273 and 22,819.68 is: 34,165.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,238.80 : 45,273 = 22,819.68 : x
  2. Step 2: Convert to fraction form
    30,238.80/45,273 = 22,819.68/x
  3. Step 3: Cross multiply
    30,238.80x = 45,273 × 22,819.68
  4. Step 4: Simplify right side
    30,238.80x = 1,033,115,372.64
  5. Step 5: Solve for x
    x = 1,033,115,372.64/30,238.80
  6. Step 6: Final answer
    x = 34,165.22

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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.