Home / 36,170.86-49,916.88-20,255.70

Finding the Fourth Proportional to 36,170.86, 49,916.88 and 20,255.70

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Solution

The fourth proportional to 36,170.86, 49,916.88 and 20,255.70 is: 27,953.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,170.86 : 49,916.88 = 20,255.70 : x
  2. Step 2: Convert to fraction form
    36,170.86/49,916.88 = 20,255.70/x
  3. Step 3: Cross multiply
    36,170.86x = 49,916.88 × 20,255.70
  4. Step 4: Simplify right side
    36,170.86x = 1,011,101,346.22
  5. Step 5: Solve for x
    x = 1,011,101,346.22/36,170.86
  6. Step 6: Final answer
    x = 27,953.48

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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.