Home / 20,039.47-30,064.97-6,000.55

Finding the Fourth Proportional to 20,039.47, 30,064.97 and 6,000.55

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Solution

The fourth proportional to 20,039.47, 30,064.97 and 6,000.55 is: 9,002.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,039.47 : 30,064.97 = 6,000.55 : x
  2. Step 2: Convert to fraction form
    20,039.47/30,064.97 = 6,000.55/x
  3. Step 3: Cross multiply
    20,039.47x = 30,064.97 × 6,000.55
  4. Step 4: Simplify right side
    20,039.47x = 180,406,355.73
  5. Step 5: Solve for x
    x = 180,406,355.73/20,039.47
  6. Step 6: Final answer
    x = 9,002.55

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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.