Home / 30,725.69-42,401.48-17,297.04

Finding the Fourth Proportional to 30,725.69, 42,401.48 and 17,297.04

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Solution

The fourth proportional to 30,725.69, 42,401.48 and 17,297.04 is: 23,869.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,725.69 : 42,401.48 = 17,297.04 : x
  2. Step 2: Convert to fraction form
    30,725.69/42,401.48 = 17,297.04/x
  3. Step 3: Cross multiply
    30,725.69x = 42,401.48 × 17,297.04
  4. Step 4: Simplify right side
    30,725.69x = 733,420,009.13
  5. Step 5: Solve for x
    x = 733,420,009.13/30,725.69
  6. Step 6: Final answer
    x = 23,869.93

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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.