Home / 58,668.30-87,976.26-21,226.86

Finding the Fourth Proportional to 58,668.30, 87,976.26 and 21,226.86

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Solution

The fourth proportional to 58,668.30, 87,976.26 and 21,226.86 is: 31,830.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,668.30 : 87,976.26 = 21,226.86 : x
  2. Step 2: Convert to fraction form
    58,668.30/87,976.26 = 21,226.86/x
  3. Step 3: Cross multiply
    58,668.30x = 87,976.26 × 21,226.86
  4. Step 4: Simplify right side
    58,668.30x = 1,867,459,754.34
  5. Step 5: Solve for x
    x = 1,867,459,754.34/58,668.30
  6. Step 6: Final answer
    x = 31,830.81

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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.