Home / 47,864.09-71,796.14-21,538.08

Finding the Fourth Proportional to 47,864.09, 71,796.14 and 21,538.08

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Solution

The fourth proportional to 47,864.09, 71,796.14 and 21,538.08 is: 32,307.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,864.09 : 71,796.14 = 21,538.08 : x
  2. Step 2: Convert to fraction form
    47,864.09/71,796.14 = 21,538.08/x
  3. Step 3: Cross multiply
    47,864.09x = 71,796.14 × 21,538.08
  4. Step 4: Simplify right side
    47,864.09x = 1,546,351,007.01
  5. Step 5: Solve for x
    x = 1,546,351,007.01/47,864.09
  6. Step 6: Final answer
    x = 32,307.12

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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.