Home / 30,243.97-41,736.47-16,815.12

Finding the Fourth Proportional to 30,243.97, 41,736.47 and 16,815.12

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Solution

The fourth proportional to 30,243.97, 41,736.47 and 16,815.12 is: 23,204.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,243.97 : 41,736.47 = 16,815.12 : x
  2. Step 2: Convert to fraction form
    30,243.97/41,736.47 = 16,815.12/x
  3. Step 3: Cross multiply
    30,243.97x = 41,736.47 × 16,815.12
  4. Step 4: Simplify right side
    30,243.97x = 701,803,510.84
  5. Step 5: Solve for x
    x = 701,803,510.84/30,243.97
  6. Step 6: Final answer
    x = 23,204.74

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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.