Home / 81,731.61-122,604.48-22,567.32

Finding the Fourth Proportional to 81,731.61, 122,604.48 and 22,567.32

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Solution

The fourth proportional to 81,731.61, 122,604.48 and 22,567.32 is: 33,852.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,731.61 : 122,604.48 = 22,567.32 : x
  2. Step 2: Convert to fraction form
    81,731.61/122,604.48 = 22,567.32/x
  3. Step 3: Cross multiply
    81,731.61x = 122,604.48 × 22,567.32
  4. Step 4: Simplify right side
    81,731.61x = 2,766,854,533.59
  5. Step 5: Solve for x
    x = 2,766,854,533.59/81,731.61
  6. Step 6: Final answer
    x = 33,852.93

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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.