Home / 33,109.88-49,646.10-30,285.48

Finding the Fourth Proportional to 33,109.88, 49,646.10 and 30,285.48

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Solution

The fourth proportional to 33,109.88, 49,646.10 and 30,285.48 is: 45,411.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,109.88 : 49,646.10 = 30,285.48 : x
  2. Step 2: Convert to fraction form
    33,109.88/49,646.10 = 30,285.48/x
  3. Step 3: Cross multiply
    33,109.88x = 49,646.10 × 30,285.48
  4. Step 4: Simplify right side
    33,109.88x = 1,503,555,968.63
  5. Step 5: Solve for x
    x = 1,503,555,968.63/33,109.88
  6. Step 6: Final answer
    x = 45,411.10

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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.