Home / 30,243.13-41,733.43-16,812.90

Finding the Fourth Proportional to 30,243.13, 41,733.43 and 16,812.90

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Solution

The fourth proportional to 30,243.13, 41,733.43 and 16,812.90 is: 23,200.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,243.13 : 41,733.43 = 16,812.90 : x
  2. Step 2: Convert to fraction form
    30,243.13/41,733.43 = 16,812.90/x
  3. Step 3: Cross multiply
    30,243.13x = 41,733.43 × 16,812.90
  4. Step 4: Simplify right side
    30,243.13x = 701,660,119.28
  5. Step 5: Solve for x
    x = 701,660,119.28/30,243.13
  6. Step 6: Final answer
    x = 23,200.64

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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.