Home / 20,060.40-30,090.72-5,269.44

Finding the Fourth Proportional to 20,060.40, 30,090.72 and 5,269.44

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Solution

The fourth proportional to 20,060.40, 30,090.72 and 5,269.44 is: 7,904.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,060.40 : 30,090.72 = 5,269.44 : x
  2. Step 2: Convert to fraction form
    20,060.40/30,090.72 = 5,269.44/x
  3. Step 3: Cross multiply
    20,060.40x = 30,090.72 × 5,269.44
  4. Step 4: Simplify right side
    20,060.40x = 158,561,243.60
  5. Step 5: Solve for x
    x = 158,561,243.60/20,060.40
  6. Step 6: Final answer
    x = 7,904.19

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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.