Home / 36,025.48-49,715.06-20,109.92

Finding the Fourth Proportional to 36,025.48, 49,715.06 and 20,109.92

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Solution

The fourth proportional to 36,025.48, 49,715.06 and 20,109.92 is: 27,751.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,025.48 : 49,715.06 = 20,109.92 : x
  2. Step 2: Convert to fraction form
    36,025.48/49,715.06 = 20,109.92/x
  3. Step 3: Cross multiply
    36,025.48x = 49,715.06 × 20,109.92
  4. Step 4: Simplify right side
    36,025.48x = 999,765,879.40
  5. Step 5: Solve for x
    x = 999,765,879.40/36,025.48
  6. Step 6: Final answer
    x = 27,751.63

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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.