Home / 64,929.09-97,385.13-20,556.09

Finding the Fourth Proportional to 64,929.09, 97,385.13 and 20,556.09

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Solution

The fourth proportional to 64,929.09, 97,385.13 and 20,556.09 is: 30,831.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,929.09 : 97,385.13 = 20,556.09 : x
  2. Step 2: Convert to fraction form
    64,929.09/97,385.13 = 20,556.09/x
  3. Step 3: Cross multiply
    64,929.09x = 97,385.13 × 20,556.09
  4. Step 4: Simplify right side
    64,929.09x = 2,001,857,496.94
  5. Step 5: Solve for x
    x = 2,001,857,496.94/64,929.09
  6. Step 6: Final answer
    x = 30,831.44

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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.