Home / 47,579.58-65,554.07-31,418.10

Finding the Fourth Proportional to 47,579.58, 65,554.07 and 31,418.10

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Solution

The fourth proportional to 47,579.58, 65,554.07 and 31,418.10 is: 43,287.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,579.58 : 65,554.07 = 31,418.10 : x
  2. Step 2: Convert to fraction form
    47,579.58/65,554.07 = 31,418.10/x
  3. Step 3: Cross multiply
    47,579.58x = 65,554.07 × 31,418.10
  4. Step 4: Simplify right side
    47,579.58x = 2,059,584,169.58
  5. Step 5: Solve for x
    x = 2,059,584,169.58/47,579.58
  6. Step 6: Final answer
    x = 43,287.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.