Home / 43,185.36-64,786.74-18,225.43

Finding the Fourth Proportional to 43,185.36, 64,786.74 and 18,225.43

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Solution

The fourth proportional to 43,185.36, 64,786.74 and 18,225.43 is: 27,341.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,185.36 : 64,786.74 = 18,225.43 : x
  2. Step 2: Convert to fraction form
    43,185.36/64,786.74 = 18,225.43/x
  3. Step 3: Cross multiply
    43,185.36x = 64,786.74 × 18,225.43
  4. Step 4: Simplify right side
    43,185.36x = 1,180,766,194.80
  5. Step 5: Solve for x
    x = 1,180,766,194.80/43,185.36
  6. Step 6: Final answer
    x = 27,341.82

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1.5x scale

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.