Home / 58,298.43-87,450.38-18,858.62

Finding the Fourth Proportional to 58,298.43, 87,450.38 and 18,858.62

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Solution

The fourth proportional to 58,298.43, 87,450.38 and 18,858.62 is: 28,288.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,298.43 : 87,450.38 = 18,858.62 : x
  2. Step 2: Convert to fraction form
    58,298.43/87,450.38 = 18,858.62/x
  3. Step 3: Cross multiply
    58,298.43x = 87,450.38 × 18,858.62
  4. Step 4: Simplify right side
    58,298.43x = 1,649,193,485.28
  5. Step 5: Solve for x
    x = 1,649,193,485.28/58,298.43
  6. Step 6: Final answer
    x = 28,288.81

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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.