Home / 36,048.32-49,748.64-21,144.32

Finding the Fourth Proportional to 36,048.32, 49,748.64 and 21,144.32

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Solution

The fourth proportional to 36,048.32, 49,748.64 and 21,144.32 is: 29,180.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,048.32 : 49,748.64 = 21,144.32 : x
  2. Step 2: Convert to fraction form
    36,048.32/49,748.64 = 21,144.32/x
  3. Step 3: Cross multiply
    36,048.32x = 49,748.64 × 21,144.32
  4. Step 4: Simplify right side
    36,048.32x = 1,051,901,163.72
  5. Step 5: Solve for x
    x = 1,051,901,163.72/36,048.32
  6. Step 6: Final answer
    x = 29,180.31

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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.