Home / 49,729.50-74,593.80-20,146.86

Finding the Fourth Proportional to 49,729.50, 74,593.80 and 20,146.86

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Solution

The fourth proportional to 49,729.50, 74,593.80 and 20,146.86 is: 30,220.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,729.50 : 74,593.80 = 20,146.86 : x
  2. Step 2: Convert to fraction form
    49,729.50/74,593.80 = 20,146.86/x
  3. Step 3: Cross multiply
    49,729.50x = 74,593.80 × 20,146.86
  4. Step 4: Simplify right side
    49,729.50x = 1,502,830,845.47
  5. Step 5: Solve for x
    x = 1,502,830,845.47/49,729.50
  6. Step 6: Final answer
    x = 30,220.11

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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.