Home / 20,077.24-30,108.54-8,981.84

Finding the Fourth Proportional to 20,077.24, 30,108.54 and 8,981.84

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Solution

The fourth proportional to 20,077.24, 30,108.54 and 8,981.84 is: 13,469.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,077.24 : 30,108.54 = 8,981.84 : x
  2. Step 2: Convert to fraction form
    20,077.24/30,108.54 = 8,981.84/x
  3. Step 3: Cross multiply
    20,077.24x = 30,108.54 × 8,981.84
  4. Step 4: Simplify right side
    20,077.24x = 270,430,088.91
  5. Step 5: Solve for x
    x = 270,430,088.91/20,077.24
  6. Step 6: Final answer
    x = 13,469.49

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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.