Home / 58,517.28-87,789.69-19,074.33

Finding the Fourth Proportional to 58,517.28, 87,789.69 and 19,074.33

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Solution

The fourth proportional to 58,517.28, 87,789.69 and 19,074.33 is: 28,615.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,517.28 : 87,789.69 = 19,074.33 : x
  2. Step 2: Convert to fraction form
    58,517.28/87,789.69 = 19,074.33/x
  3. Step 3: Cross multiply
    58,517.28x = 87,789.69 × 19,074.33
  4. Step 4: Simplify right side
    58,517.28x = 1,674,529,517.66
  5. Step 5: Solve for x
    x = 1,674,529,517.66/58,517.28
  6. Step 6: Final answer
    x = 28,615.98

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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.