Home / 53,217.90-79,835.04-18,149.36

Finding the Fourth Proportional to 53,217.90, 79,835.04 and 18,149.36

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Solution

The fourth proportional to 53,217.90, 79,835.04 and 18,149.36 is: 27,226.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,217.90 : 79,835.04 = 18,149.36 : x
  2. Step 2: Convert to fraction form
    53,217.90/79,835.04 = 18,149.36/x
  3. Step 3: Cross multiply
    53,217.90x = 79,835.04 × 18,149.36
  4. Step 4: Simplify right side
    53,217.90x = 1,448,954,482.40
  5. Step 5: Solve for x
    x = 1,448,954,482.40/53,217.90
  6. Step 6: Final answer
    x = 27,226.83

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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.