Home / 64,623.92-96,936.03-20,254.55

Finding the Fourth Proportional to 64,623.92, 96,936.03 and 20,254.55

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Solution

The fourth proportional to 64,623.92, 96,936.03 and 20,254.55 is: 30,381.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,623.92 : 96,936.03 = 20,254.55 : x
  2. Step 2: Convert to fraction form
    64,623.92/96,936.03 = 20,254.55/x
  3. Step 3: Cross multiply
    64,623.92x = 96,936.03 × 20,254.55
  4. Step 4: Simplify right side
    64,623.92x = 1,963,395,666.44
  5. Step 5: Solve for x
    x = 1,963,395,666.44/64,623.92
  6. Step 6: Final answer
    x = 30,381.87

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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.