Home / 20,043.63-30,060.58-8,350.47

Finding the Fourth Proportional to 20,043.63, 30,060.58 and 8,350.47

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Solution

The fourth proportional to 20,043.63, 30,060.58 and 8,350.47 is: 12,523.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,043.63 : 30,060.58 = 8,350.47 : x
  2. Step 2: Convert to fraction form
    20,043.63/30,060.58 = 8,350.47/x
  3. Step 3: Cross multiply
    20,043.63x = 30,060.58 × 8,350.47
  4. Step 4: Simplify right side
    20,043.63x = 251,019,971.47
  5. Step 5: Solve for x
    x = 251,019,971.47/20,043.63
  6. Step 6: Final answer
    x = 12,523.68

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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.