Home / 36,356.23-54,539.81-11,390.71

Finding the Fourth Proportional to 36,356.23, 54,539.81 and 11,390.71

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Solution

The fourth proportional to 36,356.23, 54,539.81 and 11,390.71 is: 17,087.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,356.23 : 54,539.81 = 11,390.71 : x
  2. Step 2: Convert to fraction form
    36,356.23/54,539.81 = 11,390.71/x
  3. Step 3: Cross multiply
    36,356.23x = 54,539.81 × 11,390.71
  4. Step 4: Simplify right side
    36,356.23x = 621,247,159.17
  5. Step 5: Solve for x
    x = 621,247,159.17/36,356.23
  6. Step 6: Final answer
    x = 17,087.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.