Home / 55,538.40-83,234.70-22,231.20

Finding the Fourth Proportional to 55,538.40, 83,234.70 and 22,231.20

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Solution

The fourth proportional to 55,538.40, 83,234.70 and 22,231.20 is: 33,317.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,538.40 : 83,234.70 = 22,231.20 : x
  2. Step 2: Convert to fraction form
    55,538.40/83,234.70 = 22,231.20/x
  3. Step 3: Cross multiply
    55,538.40x = 83,234.70 × 22,231.20
  4. Step 4: Simplify right side
    55,538.40x = 1,850,407,262.64
  5. Step 5: Solve for x
    x = 1,850,407,262.64/55,538.40
  6. Step 6: Final answer
    x = 33,317.62

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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.