Home / 36,101.12-49,812.48-20,995.52

Finding the Fourth Proportional to 36,101.12, 49,812.48 and 20,995.52

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Solution

The fourth proportional to 36,101.12, 49,812.48 and 20,995.52 is: 28,969.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,101.12 : 49,812.48 = 20,995.52 : x
  2. Step 2: Convert to fraction form
    36,101.12/49,812.48 = 20,995.52/x
  3. Step 3: Cross multiply
    36,101.12x = 49,812.48 × 20,995.52
  4. Step 4: Simplify right side
    36,101.12x = 1,045,838,920.09
  5. Step 5: Solve for x
    x = 1,045,838,920.09/36,101.12
  6. Step 6: Final answer
    x = 28,969.71

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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.