Home / 49,770.39-74,652.89-20,180.28

Finding the Fourth Proportional to 49,770.39, 74,652.89 and 20,180.28

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Solution

The fourth proportional to 49,770.39, 74,652.89 and 20,180.28 is: 30,269.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,770.39 : 74,652.89 = 20,180.28 : x
  2. Step 2: Convert to fraction form
    49,770.39/74,652.89 = 20,180.28/x
  3. Step 3: Cross multiply
    49,770.39x = 74,652.89 × 20,180.28
  4. Step 4: Simplify right side
    49,770.39x = 1,506,516,122.11
  5. Step 5: Solve for x
    x = 1,506,516,122.11/49,770.39
  6. Step 6: Final answer
    x = 30,269.33

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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.