Home / 36,113.15-49,840.85-20,200.91

Finding the Fourth Proportional to 36,113.15, 49,840.85 and 20,200.91

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Solution

The fourth proportional to 36,113.15, 49,840.85 and 20,200.91 is: 27,879.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,113.15 : 49,840.85 = 20,200.91 : x
  2. Step 2: Convert to fraction form
    36,113.15/49,840.85 = 20,200.91/x
  3. Step 3: Cross multiply
    36,113.15x = 49,840.85 × 20,200.91
  4. Step 4: Simplify right side
    36,113.15x = 1,006,830,326.47
  5. Step 5: Solve for x
    x = 1,006,830,326.47/36,113.15
  6. Step 6: Final answer
    x = 27,879.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.