Home / 64,243.40-96,379.26-19,262.96

Finding the Fourth Proportional to 64,243.40, 96,379.26 and 19,262.96

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Solution

The fourth proportional to 64,243.40, 96,379.26 and 19,262.96 is: 28,898.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,243.40 : 96,379.26 = 19,262.96 : x
  2. Step 2: Convert to fraction form
    64,243.40/96,379.26 = 19,262.96/x
  3. Step 3: Cross multiply
    64,243.40x = 96,379.26 × 19,262.96
  4. Step 4: Simplify right side
    64,243.40x = 1,856,549,830.21
  5. Step 5: Solve for x
    x = 1,856,549,830.21/64,243.40
  6. Step 6: Final answer
    x = 28,898.69

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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.