Home / 36,355.23-54,538.31-11,389.71

Finding the Fourth Proportional to 36,355.23, 54,538.31 and 11,389.71

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Solution

The fourth proportional to 36,355.23, 54,538.31 and 11,389.71 is: 17,086.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,355.23 : 54,538.31 = 11,389.71 : x
  2. Step 2: Convert to fraction form
    36,355.23/54,538.31 = 11,389.71/x
  3. Step 3: Cross multiply
    36,355.23x = 54,538.31 × 11,389.71
  4. Step 4: Simplify right side
    36,355.23x = 621,175,767.78
  5. Step 5: Solve for x
    x = 621,175,767.78/36,355.23
  6. Step 6: Final answer
    x = 17,086.28

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1.5x scale

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.