Home / 36,042.24-49,733.12-21,135.36

Finding the Fourth Proportional to 36,042.24, 49,733.12 and 21,135.36

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Solution

The fourth proportional to 36,042.24, 49,733.12 and 21,135.36 is: 29,163.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,042.24 : 49,733.12 = 21,135.36 : x
  2. Step 2: Convert to fraction form
    36,042.24/49,733.12 = 21,135.36/x
  3. Step 3: Cross multiply
    36,042.24x = 49,733.12 × 21,135.36
  4. Step 4: Simplify right side
    36,042.24x = 1,051,127,395.12
  5. Step 5: Solve for x
    x = 1,051,127,395.12/36,042.24
  6. Step 6: Final answer
    x = 29,163.76

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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.