Home / 36,228.04-49,982.88-21,117.28

Finding the Fourth Proportional to 36,228.04, 49,982.88 and 21,117.28

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Solution

The fourth proportional to 36,228.04, 49,982.88 and 21,117.28 is: 29,134.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,228.04 : 49,982.88 = 21,117.28 : x
  2. Step 2: Convert to fraction form
    36,228.04/49,982.88 = 21,117.28/x
  3. Step 3: Cross multiply
    36,228.04x = 49,982.88 × 21,117.28
  4. Step 4: Simplify right side
    36,228.04x = 1,055,502,472.17
  5. Step 5: Solve for x
    x = 1,055,502,472.17/36,228.04
  6. Step 6: Final answer
    x = 29,134.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.