Home / 30,208.80-45,302.43-11,483.85

Finding the Fourth Proportional to 30,208.80, 45,302.43 and 11,483.85

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Solution

The fourth proportional to 30,208.80, 45,302.43 and 11,483.85 is: 17,221.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,208.80 : 45,302.43 = 11,483.85 : x
  2. Step 2: Convert to fraction form
    30,208.80/45,302.43 = 11,483.85/x
  3. Step 3: Cross multiply
    30,208.80x = 45,302.43 × 11,483.85
  4. Step 4: Simplify right side
    30,208.80x = 520,246,310.76
  5. Step 5: Solve for x
    x = 520,246,310.76/30,208.80
  6. Step 6: Final answer
    x = 17,221.68

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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.