Home / 35,356.45-53,031.03-11,982.28

Finding the Fourth Proportional to 35,356.45, 53,031.03 and 11,982.28

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Solution

The fourth proportional to 35,356.45, 53,031.03 and 11,982.28 is: 17,972.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,356.45 : 53,031.03 = 11,982.28 : x
  2. Step 2: Convert to fraction form
    35,356.45/53,031.03 = 11,982.28/x
  3. Step 3: Cross multiply
    35,356.45x = 53,031.03 × 11,982.28
  4. Step 4: Simplify right side
    35,356.45x = 635,432,650.15
  5. Step 5: Solve for x
    x = 635,432,650.15/35,356.45
  6. Step 6: Final answer
    x = 17,972.18

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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.