Home / 38,818.20-58,152.78-22,128.96

Finding the Fourth Proportional to 38,818.20, 58,152.78 and 22,128.96

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Solution

The fourth proportional to 38,818.20, 58,152.78 and 22,128.96 is: 33,150.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,818.20 : 58,152.78 = 22,128.96 : x
  2. Step 2: Convert to fraction form
    38,818.20/58,152.78 = 22,128.96/x
  3. Step 3: Cross multiply
    38,818.20x = 58,152.78 × 22,128.96
  4. Step 4: Simplify right side
    38,818.20x = 1,286,860,542.51
  5. Step 5: Solve for x
    x = 1,286,860,542.51/38,818.20
  6. Step 6: Final answer
    x = 33,150.96

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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.