Home / 53,086.01-79,629.60-13,642.04

Finding the Fourth Proportional to 53,086.01, 79,629.60 and 13,642.04

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Solution

The fourth proportional to 53,086.01, 79,629.60 and 13,642.04 is: 20,463.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,086.01 : 79,629.60 = 13,642.04 : x
  2. Step 2: Convert to fraction form
    53,086.01/79,629.60 = 13,642.04/x
  3. Step 3: Cross multiply
    53,086.01x = 79,629.60 × 13,642.04
  4. Step 4: Simplify right side
    53,086.01x = 1,086,309,790.24
  5. Step 5: Solve for x
    x = 1,086,309,790.24/53,086.01
  6. Step 6: Final answer
    x = 20,463.20

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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.