Home / 20,043.86-30,090.36-19,251.04

Finding the Fourth Proportional to 20,043.86, 30,090.36 and 19,251.04

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Solution

The fourth proportional to 20,043.86, 30,090.36 and 19,251.04 is: 28,900.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,043.86 : 30,090.36 = 19,251.04 : x
  2. Step 2: Convert to fraction form
    20,043.86/30,090.36 = 19,251.04/x
  3. Step 3: Cross multiply
    20,043.86x = 30,090.36 × 19,251.04
  4. Step 4: Simplify right side
    20,043.86x = 579,270,723.97
  5. Step 5: Solve for x
    x = 579,270,723.97/20,043.86
  6. Step 6: Final answer
    x = 28,900.16

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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.