Home / 32,786.29-45,243.48-18,638.83

Finding the Fourth Proportional to 32,786.29, 45,243.48 and 18,638.83

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Solution

The fourth proportional to 32,786.29, 45,243.48 and 18,638.83 is: 25,720.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,786.29 : 45,243.48 = 18,638.83 : x
  2. Step 2: Convert to fraction form
    32,786.29/45,243.48 = 18,638.83/x
  3. Step 3: Cross multiply
    32,786.29x = 45,243.48 × 18,638.83
  4. Step 4: Simplify right side
    32,786.29x = 843,285,532.33
  5. Step 5: Solve for x
    x = 843,285,532.33/32,786.29
  6. Step 6: Final answer
    x = 25,720.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.