Home / 36,109.08-54,163.62-15,319.08

Finding the Fourth Proportional to 36,109.08, 54,163.62 and 15,319.08

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Solution

The fourth proportional to 36,109.08, 54,163.62 and 15,319.08 is: 22,978.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,109.08 : 54,163.62 = 15,319.08 : x
  2. Step 2: Convert to fraction form
    36,109.08/54,163.62 = 15,319.08/x
  3. Step 3: Cross multiply
    36,109.08x = 54,163.62 × 15,319.08
  4. Step 4: Simplify right side
    36,109.08x = 829,736,827.87
  5. Step 5: Solve for x
    x = 829,736,827.87/36,109.08
  6. Step 6: Final answer
    x = 22,978.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.