Home / 36,102.66-49,801.64-20,993.63

Finding the Fourth Proportional to 36,102.66, 49,801.64 and 20,993.63

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Solution

The fourth proportional to 36,102.66, 49,801.64 and 20,993.63 is: 28,959.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,102.66 : 49,801.64 = 20,993.63 : x
  2. Step 2: Convert to fraction form
    36,102.66/49,801.64 = 20,993.63/x
  3. Step 3: Cross multiply
    36,102.66x = 49,801.64 × 20,993.63
  4. Step 4: Simplify right side
    36,102.66x = 1,045,517,129.71
  5. Step 5: Solve for x
    x = 1,045,517,129.71/36,102.66
  6. Step 6: Final answer
    x = 28,959.56

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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.