Home / 30,401.14-41,954.28-19,071.12

Finding the Fourth Proportional to 30,401.14, 41,954.28 and 19,071.12

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Solution

The fourth proportional to 30,401.14, 41,954.28 and 19,071.12 is: 26,318.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,401.14 : 41,954.28 = 19,071.12 : x
  2. Step 2: Convert to fraction form
    30,401.14/41,954.28 = 19,071.12/x
  3. Step 3: Cross multiply
    30,401.14x = 41,954.28 × 19,071.12
  4. Step 4: Simplify right side
    30,401.14x = 800,115,108.39
  5. Step 5: Solve for x
    x = 800,115,108.39/30,401.14
  6. Step 6: Final answer
    x = 26,318.59

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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.