Home / 36,141.84-49,876.80-20,225.92

Finding the Fourth Proportional to 36,141.84, 49,876.80 and 20,225.92

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Solution

The fourth proportional to 36,141.84, 49,876.80 and 20,225.92 is: 27,912.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,141.84 : 49,876.80 = 20,225.92 : x
  2. Step 2: Convert to fraction form
    36,141.84/49,876.80 = 20,225.92/x
  3. Step 3: Cross multiply
    36,141.84x = 49,876.80 × 20,225.92
  4. Step 4: Simplify right side
    36,141.84x = 1,008,804,166.66
  5. Step 5: Solve for x
    x = 1,008,804,166.66/36,141.84
  6. Step 6: Final answer
    x = 27,912.36

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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.