Home / 29,440.78-44,160.18-12,800.80

Finding the Fourth Proportional to 29,440.78, 44,160.18 and 12,800.80

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Solution

The fourth proportional to 29,440.78, 44,160.18 and 12,800.80 is: 19,200.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,440.78 : 44,160.18 = 12,800.80 : x
  2. Step 2: Convert to fraction form
    29,440.78/44,160.18 = 12,800.80/x
  3. Step 3: Cross multiply
    29,440.78x = 44,160.18 × 12,800.80
  4. Step 4: Simplify right side
    29,440.78x = 565,285,632.14
  5. Step 5: Solve for x
    x = 565,285,632.14/29,440.78
  6. Step 6: Final answer
    x = 19,200.77

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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.