Home / 81,800.86-122,704.02-22,631.58

Finding the Fourth Proportional to 81,800.86, 122,704.02 and 22,631.58

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Solution

The fourth proportional to 81,800.86, 122,704.02 and 22,631.58 is: 33,948.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,800.86 : 122,704.02 = 22,631.58 : x
  2. Step 2: Convert to fraction form
    81,800.86/122,704.02 = 22,631.58/x
  3. Step 3: Cross multiply
    81,800.86x = 122,704.02 × 22,631.58
  4. Step 4: Simplify right side
    81,800.86x = 2,776,985,844.95
  5. Step 5: Solve for x
    x = 2,776,985,844.95/81,800.86
  6. Step 6: Final answer
    x = 33,948.13

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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.