Home / 53,217.74-79,834.80-18,149.20

Finding the Fourth Proportional to 53,217.74, 79,834.80 and 18,149.20

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Solution

The fourth proportional to 53,217.74, 79,834.80 and 18,149.20 is: 27,226.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,217.74 : 79,834.80 = 18,149.20 : x
  2. Step 2: Convert to fraction form
    53,217.74/79,834.80 = 18,149.20/x
  3. Step 3: Cross multiply
    53,217.74x = 79,834.80 × 18,149.20
  4. Step 4: Simplify right side
    53,217.74x = 1,448,937,352.99
  5. Step 5: Solve for x
    x = 1,448,937,352.99/53,217.74
  6. Step 6: Final answer
    x = 27,226.59

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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.