Home / 30,118.49-41,563.76-16,689.97

Finding the Fourth Proportional to 30,118.49, 41,563.76 and 16,689.97

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Solution

The fourth proportional to 30,118.49, 41,563.76 and 16,689.97 is: 23,032.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,118.49 : 41,563.76 = 16,689.97 : x
  2. Step 2: Convert to fraction form
    30,118.49/41,563.76 = 16,689.97/x
  3. Step 3: Cross multiply
    30,118.49x = 41,563.76 × 16,689.97
  4. Step 4: Simplify right side
    30,118.49x = 693,697,972.63
  5. Step 5: Solve for x
    x = 693,697,972.63/30,118.49
  6. Step 6: Final answer
    x = 23,032.29

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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.