Home / 30,732.70-42,411.14-17,304.04

Finding the Fourth Proportional to 30,732.70, 42,411.14 and 17,304.04

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Solution

The fourth proportional to 30,732.70, 42,411.14 and 17,304.04 is: 23,879.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,732.70 : 42,411.14 = 17,304.04 : x
  2. Step 2: Convert to fraction form
    30,732.70/42,411.14 = 17,304.04/x
  3. Step 3: Cross multiply
    30,732.70x = 42,411.14 × 17,304.04
  4. Step 4: Simplify right side
    30,732.70x = 733,884,063.01
  5. Step 5: Solve for x
    x = 733,884,063.01/30,732.70
  6. Step 6: Final answer
    x = 23,879.58

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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.