Home / 74,536.08-111,765.60-21,938.76

Finding the Fourth Proportional to 74,536.08, 111,765.60 and 21,938.76

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Solution

The fourth proportional to 74,536.08, 111,765.60 and 21,938.76 is: 32,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,536.08 : 111,765.60 = 21,938.76 : x
  2. Step 2: Convert to fraction form
    74,536.08/111,765.60 = 21,938.76/x
  3. Step 3: Cross multiply
    74,536.08x = 111,765.60 × 21,938.76
  4. Step 4: Simplify right side
    74,536.08x = 2,451,998,674.66
  5. Step 5: Solve for x
    x = 2,451,998,674.66/74,536.08
  6. Step 6: Final answer
    x = 32,896.80

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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.