Home / 36,161.32-49,867.50-28,200.64

Finding the Fourth Proportional to 36,161.32, 49,867.50 and 28,200.64

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Solution

The fourth proportional to 36,161.32, 49,867.50 and 28,200.64 is: 38,889.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,161.32 : 49,867.50 = 28,200.64 : x
  2. Step 2: Convert to fraction form
    36,161.32/49,867.50 = 28,200.64/x
  3. Step 3: Cross multiply
    36,161.32x = 49,867.50 × 28,200.64
  4. Step 4: Simplify right side
    36,161.32x = 1,406,295,415.20
  5. Step 5: Solve for x
    x = 1,406,295,415.20/36,161.32
  6. Step 6: Final answer
    x = 38,889.49

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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.