Home / 53,229.65-79,844.48-21,656.89

Finding the Fourth Proportional to 53,229.65, 79,844.48 and 21,656.89

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Solution

The fourth proportional to 53,229.65, 79,844.48 and 21,656.89 is: 32,485.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,229.65 : 79,844.48 = 21,656.89 : x
  2. Step 2: Convert to fraction form
    53,229.65/79,844.48 = 21,656.89/x
  3. Step 3: Cross multiply
    53,229.65x = 79,844.48 × 21,656.89
  4. Step 4: Simplify right side
    53,229.65x = 1,729,183,120.47
  5. Step 5: Solve for x
    x = 1,729,183,120.47/53,229.65
  6. Step 6: Final answer
    x = 32,485.34

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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.