Home / 36,161.12-49,908.26-21,624.32

Finding the Fourth Proportional to 36,161.12, 49,908.26 and 21,624.32

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Solution

The fourth proportional to 36,161.12, 49,908.26 and 21,624.32 is: 29,845.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,161.12 : 49,908.26 = 21,624.32 : x
  2. Step 2: Convert to fraction form
    36,161.12/49,908.26 = 21,624.32/x
  3. Step 3: Cross multiply
    36,161.12x = 49,908.26 × 21,624.32
  4. Step 4: Simplify right side
    36,161.12x = 1,079,232,184.88
  5. Step 5: Solve for x
    x = 1,079,232,184.88/36,161.12
  6. Step 6: Final answer
    x = 29,845.10

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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.