Home / 33,281.20-49,921.80-30,000.70

Finding the Fourth Proportional to 33,281.20, 49,921.80 and 30,000.70

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Solution

The fourth proportional to 33,281.20, 49,921.80 and 30,000.70 is: 45,001.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,281.20 : 49,921.80 = 30,000.70 : x
  2. Step 2: Convert to fraction form
    33,281.20/49,921.80 = 30,000.70/x
  3. Step 3: Cross multiply
    33,281.20x = 49,921.80 × 30,000.70
  4. Step 4: Simplify right side
    33,281.20x = 1,497,688,945.26
  5. Step 5: Solve for x
    x = 1,497,688,945.26/33,281.20
  6. Step 6: Final answer
    x = 45,001.05

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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.