Home / 64,418.06-96,642.08-20,042.48

Finding the Fourth Proportional to 64,418.06, 96,642.08 and 20,042.48

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Solution

The fourth proportional to 64,418.06, 96,642.08 and 20,042.48 is: 30,068.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,418.06 : 96,642.08 = 20,042.48 : x
  2. Step 2: Convert to fraction form
    64,418.06/96,642.08 = 20,042.48/x
  3. Step 3: Cross multiply
    64,418.06x = 96,642.08 × 20,042.48
  4. Step 4: Simplify right side
    64,418.06x = 1,936,946,955.56
  5. Step 5: Solve for x
    x = 1,936,946,955.56/64,418.06
  6. Step 6: Final answer
    x = 30,068.38

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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.