Home / 53,089.11-79,633.66-13,646.26

Finding the Fourth Proportional to 53,089.11, 79,633.66 and 13,646.26

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Solution

The fourth proportional to 53,089.11, 79,633.66 and 13,646.26 is: 20,469.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,089.11 : 79,633.66 = 13,646.26 : x
  2. Step 2: Convert to fraction form
    53,089.11/79,633.66 = 13,646.26/x
  3. Step 3: Cross multiply
    53,089.11x = 79,633.66 × 13,646.26
  4. Step 4: Simplify right side
    53,089.11x = 1,086,701,629.11
  5. Step 5: Solve for x
    x = 1,086,701,629.11/53,089.11
  6. Step 6: Final answer
    x = 20,469.39

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1.5x scale

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.