Home / 53,231.26-79,854.18-18,161.50

Finding the Fourth Proportional to 53,231.26, 79,854.18 and 18,161.50

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Solution

The fourth proportional to 53,231.26, 79,854.18 and 18,161.50 is: 27,244.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,231.26 : 79,854.18 = 18,161.50 : x
  2. Step 2: Convert to fraction form
    53,231.26/79,854.18 = 18,161.50/x
  3. Step 3: Cross multiply
    53,231.26x = 79,854.18 × 18,161.50
  4. Step 4: Simplify right side
    53,231.26x = 1,450,271,690.07
  5. Step 5: Solve for x
    x = 1,450,271,690.07/53,231.26
  6. Step 6: Final answer
    x = 27,244.74

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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.