Home / 20,041.50-30,062.64-6,190.50

Finding the Fourth Proportional to 20,041.50, 30,062.64 and 6,190.50

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Solution

The fourth proportional to 20,041.50, 30,062.64 and 6,190.50 is: 9,285.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041.50 : 30,062.64 = 6,190.50 : x
  2. Step 2: Convert to fraction form
    20,041.50/30,062.64 = 6,190.50/x
  3. Step 3: Cross multiply
    20,041.50x = 30,062.64 × 6,190.50
  4. Step 4: Simplify right side
    20,041.50x = 186,102,772.92
  5. Step 5: Solve for x
    x = 186,102,772.92/20,041.50
  6. Step 6: Final answer
    x = 9,285.87

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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.