Home / 36,442.71-54,661.86-21,458.25

Finding the Fourth Proportional to 36,442.71, 54,661.86 and 21,458.25

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Solution

The fourth proportional to 36,442.71, 54,661.86 and 21,458.25 is: 32,186.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,442.71 : 54,661.86 = 21,458.25 : x
  2. Step 2: Convert to fraction form
    36,442.71/54,661.86 = 21,458.25/x
  3. Step 3: Cross multiply
    36,442.71x = 54,661.86 × 21,458.25
  4. Step 4: Simplify right side
    36,442.71x = 1,172,947,857.35
  5. Step 5: Solve for x
    x = 1,172,947,857.35/36,442.71
  6. Step 6: Final answer
    x = 32,186.08

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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.