Home / 63,105.68-94,642.32-18,722.36

Finding the Fourth Proportional to 63,105.68, 94,642.32 and 18,722.36

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Solution

The fourth proportional to 63,105.68, 94,642.32 and 18,722.36 is: 28,078.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,105.68 : 94,642.32 = 18,722.36 : x
  2. Step 2: Convert to fraction form
    63,105.68/94,642.32 = 18,722.36/x
  3. Step 3: Cross multiply
    63,105.68x = 94,642.32 × 18,722.36
  4. Step 4: Simplify right side
    63,105.68x = 1,771,927,586.28
  5. Step 5: Solve for x
    x = 1,771,927,586.28/63,105.68
  6. Step 6: Final answer
    x = 28,078.73

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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.