Home / 63,418.68-95,142.06-21,300.30

Finding the Fourth Proportional to 63,418.68, 95,142.06 and 21,300.30

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Solution

The fourth proportional to 63,418.68, 95,142.06 and 21,300.30 is: 31,955.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,418.68 : 95,142.06 = 21,300.30 : x
  2. Step 2: Convert to fraction form
    63,418.68/95,142.06 = 21,300.30/x
  3. Step 3: Cross multiply
    63,418.68x = 95,142.06 × 21,300.30
  4. Step 4: Simplify right side
    63,418.68x = 2,026,554,420.62
  5. Step 5: Solve for x
    x = 2,026,554,420.62/63,418.68
  6. Step 6: Final answer
    x = 31,955.17

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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.