Home / 36,069.90-49,777.32-19,937.22

Finding the Fourth Proportional to 36,069.90, 49,777.32 and 19,937.22

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Solution

The fourth proportional to 36,069.90, 49,777.32 and 19,937.22 is: 27,513.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,069.90 : 49,777.32 = 19,937.22 : x
  2. Step 2: Convert to fraction form
    36,069.90/49,777.32 = 19,937.22/x
  3. Step 3: Cross multiply
    36,069.90x = 49,777.32 × 19,937.22
  4. Step 4: Simplify right side
    36,069.90x = 992,421,379.85
  5. Step 5: Solve for x
    x = 992,421,379.85/36,069.90
  6. Step 6: Final answer
    x = 27,513.84

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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.