Home / 43,899.52-65,833.48-18,928.84

Finding the Fourth Proportional to 43,899.52, 65,833.48 and 18,928.84

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Solution

The fourth proportional to 43,899.52, 65,833.48 and 18,928.84 is: 28,386.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,899.52 : 65,833.48 = 18,928.84 : x
  2. Step 2: Convert to fraction form
    43,899.52/65,833.48 = 18,928.84/x
  3. Step 3: Cross multiply
    43,899.52x = 65,833.48 × 18,928.84
  4. Step 4: Simplify right side
    43,899.52x = 1,246,150,985.75
  5. Step 5: Solve for x
    x = 1,246,150,985.75/43,899.52
  6. Step 6: Final answer
    x = 28,386.44

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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.