Home / 65,929.36-98,900.12-21,556.34

Finding the Fourth Proportional to 65,929.36, 98,900.12 and 21,556.34

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Solution

The fourth proportional to 65,929.36, 98,900.12 and 21,556.34 is: 32,336.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,929.36 : 98,900.12 = 21,556.34 : x
  2. Step 2: Convert to fraction form
    65,929.36/98,900.12 = 21,556.34/x
  3. Step 3: Cross multiply
    65,929.36x = 98,900.12 × 21,556.34
  4. Step 4: Simplify right side
    65,929.36x = 2,131,924,612.76
  5. Step 5: Solve for x
    x = 2,131,924,612.76/65,929.36
  6. Step 6: Final answer
    x = 32,336.50

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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.