Home / 38,410.77-57,608.85-12,108.45

Finding the Fourth Proportional to 38,410.77, 57,608.85 and 12,108.45

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Solution

The fourth proportional to 38,410.77, 57,608.85 and 12,108.45 is: 18,160.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,410.77 : 57,608.85 = 12,108.45 : x
  2. Step 2: Convert to fraction form
    38,410.77/57,608.85 = 12,108.45/x
  3. Step 3: Cross multiply
    38,410.77x = 57,608.85 × 12,108.45
  4. Step 4: Simplify right side
    38,410.77x = 697,553,879.78
  5. Step 5: Solve for x
    x = 697,553,879.78/38,410.77
  6. Step 6: Final answer
    x = 18,160.37

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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.