Home / 81,498.03-122,228.31-22,338.30

Finding the Fourth Proportional to 81,498.03, 122,228.31 and 22,338.30

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Solution

The fourth proportional to 81,498.03, 122,228.31 and 22,338.30 is: 33,502.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,498.03 : 122,228.31 = 22,338.30 : x
  2. Step 2: Convert to fraction form
    81,498.03/122,228.31 = 22,338.30/x
  3. Step 3: Cross multiply
    81,498.03x = 122,228.31 × 22,338.30
  4. Step 4: Simplify right side
    81,498.03x = 2,730,372,657.27
  5. Step 5: Solve for x
    x = 2,730,372,657.27/81,498.03
  6. Step 6: Final answer
    x = 33,502.31

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1.5x scale

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.