Home / 20,050.18-30,078.06-8,360.71

Finding the Fourth Proportional to 20,050.18, 30,078.06 and 8,360.71

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Solution

The fourth proportional to 20,050.18, 30,078.06 and 8,360.71 is: 12,542.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,050.18 : 30,078.06 = 8,360.71 : x
  2. Step 2: Convert to fraction form
    20,050.18/30,078.06 = 8,360.71/x
  3. Step 3: Cross multiply
    20,050.18x = 30,078.06 × 8,360.71
  4. Step 4: Simplify right side
    20,050.18x = 251,473,937.02
  5. Step 5: Solve for x
    x = 251,473,937.02/20,050.18
  6. Step 6: Final answer
    x = 12,542.23

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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.