Home / 20,056.68-30,087.81-8,367.21

Finding the Fourth Proportional to 20,056.68, 30,087.81 and 8,367.21

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Solution

The fourth proportional to 20,056.68, 30,087.81 and 8,367.21 is: 12,551.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,056.68 : 30,087.81 = 8,367.21 : x
  2. Step 2: Convert to fraction form
    20,056.68/30,087.81 = 8,367.21/x
  3. Step 3: Cross multiply
    20,056.68x = 30,087.81 × 8,367.21
  4. Step 4: Simplify right side
    20,056.68x = 251,751,024.71
  5. Step 5: Solve for x
    x = 251,751,024.71/20,056.68
  6. Step 6: Final answer
    x = 12,551.98

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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.