Home / 32,786.13-45,243.83-18,446.78

Finding the Fourth Proportional to 32,786.13, 45,243.83 and 18,446.78

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Solution

The fourth proportional to 32,786.13, 45,243.83 and 18,446.78 is: 25,455.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,786.13 : 45,243.83 = 18,446.78 : x
  2. Step 2: Convert to fraction form
    32,786.13/45,243.83 = 18,446.78/x
  3. Step 3: Cross multiply
    32,786.13x = 45,243.83 × 18,446.78
  4. Step 4: Simplify right side
    32,786.13x = 834,602,741.65
  5. Step 5: Solve for x
    x = 834,602,741.65/32,786.13
  6. Step 6: Final answer
    x = 25,455.97

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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.