Home / 43,023.52-64,538.52-11,858.50

Finding the Fourth Proportional to 43,023.52, 64,538.52 and 11,858.50

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Solution

The fourth proportional to 43,023.52, 64,538.52 and 11,858.50 is: 17,788.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,023.52 : 64,538.52 = 11,858.50 : x
  2. Step 2: Convert to fraction form
    43,023.52/64,538.52 = 11,858.50/x
  3. Step 3: Cross multiply
    43,023.52x = 64,538.52 × 11,858.50
  4. Step 4: Simplify right side
    43,023.52x = 765,330,039.42
  5. Step 5: Solve for x
    x = 765,330,039.42/43,023.52
  6. Step 6: Final answer
    x = 17,788.64

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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.