Home / 36,222.88-49,987.75-21,126.01

Finding the Fourth Proportional to 36,222.88, 49,987.75 and 21,126.01

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Solution

The fourth proportional to 36,222.88, 49,987.75 and 21,126.01 is: 29,153.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,222.88 : 49,987.75 = 21,126.01 : x
  2. Step 2: Convert to fraction form
    36,222.88/49,987.75 = 21,126.01/x
  3. Step 3: Cross multiply
    36,222.88x = 49,987.75 × 21,126.01
  4. Step 4: Simplify right side
    36,222.88x = 1,056,041,456.44
  5. Step 5: Solve for x
    x = 1,056,041,456.44/36,222.88
  6. Step 6: Final answer
    x = 29,153.99

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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.