Home / 45,201.04-67,817.56-20,239.12

Finding the Fourth Proportional to 45,201.04, 67,817.56 and 20,239.12

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Solution

The fourth proportional to 45,201.04, 67,817.56 and 20,239.12 is: 30,365.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,201.04 : 67,817.56 = 20,239.12 : x
  2. Step 2: Convert to fraction form
    45,201.04/67,817.56 = 20,239.12/x
  3. Step 3: Cross multiply
    45,201.04x = 67,817.56 × 20,239.12
  4. Step 4: Simplify right side
    45,201.04x = 1,372,567,734.95
  5. Step 5: Solve for x
    x = 1,372,567,734.95/45,201.04
  6. Step 6: Final answer
    x = 30,365.84

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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.