Home / 64,528.25-96,788.93-20,149.92

Finding the Fourth Proportional to 64,528.25, 96,788.93 and 20,149.92

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Solution

The fourth proportional to 64,528.25, 96,788.93 and 20,149.92 is: 30,223.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,528.25 : 96,788.93 = 20,149.92 : x
  2. Step 2: Convert to fraction form
    64,528.25/96,788.93 = 20,149.92/x
  3. Step 3: Cross multiply
    64,528.25x = 96,788.93 × 20,149.92
  4. Step 4: Simplify right side
    64,528.25x = 1,950,289,095.64
  5. Step 5: Solve for x
    x = 1,950,289,095.64/64,528.25
  6. Step 6: Final answer
    x = 30,223.81

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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.