Home / 36,005.88-49,689.15-20,089.98

Finding the Fourth Proportional to 36,005.88, 49,689.15 and 20,089.98

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Solution

The fourth proportional to 36,005.88, 49,689.15 and 20,089.98 is: 27,724.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,005.88 : 49,689.15 = 20,089.98 : x
  2. Step 2: Convert to fraction form
    36,005.88/49,689.15 = 20,089.98/x
  3. Step 3: Cross multiply
    36,005.88x = 49,689.15 × 20,089.98
  4. Step 4: Simplify right side
    36,005.88x = 998,254,029.72
  5. Step 5: Solve for x
    x = 998,254,029.72/36,005.88
  6. Step 6: Final answer
    x = 27,724.75

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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.