Home / 30,620.84-42,253.49-17,193.56

Finding the Fourth Proportional to 30,620.84, 42,253.49 and 17,193.56

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Solution

The fourth proportional to 30,620.84, 42,253.49 and 17,193.56 is: 23,725.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,620.84 : 42,253.49 = 17,193.56 : x
  2. Step 2: Convert to fraction form
    30,620.84/42,253.49 = 17,193.56/x
  3. Step 3: Cross multiply
    30,620.84x = 42,253.49 × 17,193.56
  4. Step 4: Simplify right side
    30,620.84x = 726,487,747.24
  5. Step 5: Solve for x
    x = 726,487,747.24/30,620.84
  6. Step 6: Final answer
    x = 23,725.28

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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.