Home / 35,975.78-53,932.89-13,805.07

Finding the Fourth Proportional to 35,975.78, 53,932.89 and 13,805.07

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Solution

The fourth proportional to 35,975.78, 53,932.89 and 13,805.07 is: 20,695.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,975.78 : 53,932.89 = 13,805.07 : x
  2. Step 2: Convert to fraction form
    35,975.78/53,932.89 = 13,805.07/x
  3. Step 3: Cross multiply
    35,975.78x = 53,932.89 × 13,805.07
  4. Step 4: Simplify right side
    35,975.78x = 744,547,321.75
  5. Step 5: Solve for x
    x = 744,547,321.75/35,975.78
  6. Step 6: Final answer
    x = 20,695.79

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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.