Home / 36,156.13-49,896.14-20,240.55

Finding the Fourth Proportional to 36,156.13, 49,896.14 and 20,240.55

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Solution

The fourth proportional to 36,156.13, 49,896.14 and 20,240.55 is: 27,932.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,156.13 : 49,896.14 = 20,240.55 : x
  2. Step 2: Convert to fraction form
    36,156.13/49,896.14 = 20,240.55/x
  3. Step 3: Cross multiply
    36,156.13x = 49,896.14 × 20,240.55
  4. Step 4: Simplify right side
    36,156.13x = 1,009,925,215.27
  5. Step 5: Solve for x
    x = 1,009,925,215.27/36,156.13
  6. Step 6: Final answer
    x = 27,932.34

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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.