Home / 30,145.56-41,603.40-17,571.12

Finding the Fourth Proportional to 30,145.56, 41,603.40 and 17,571.12

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Solution

The fourth proportional to 30,145.56, 41,603.40 and 17,571.12 is: 24,249.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,145.56 : 41,603.40 = 17,571.12 : x
  2. Step 2: Convert to fraction form
    30,145.56/41,603.40 = 17,571.12/x
  3. Step 3: Cross multiply
    30,145.56x = 41,603.40 × 17,571.12
  4. Step 4: Simplify right side
    30,145.56x = 731,018,333.81
  5. Step 5: Solve for x
    x = 731,018,333.81/30,145.56
  6. Step 6: Final answer
    x = 24,249.62

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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.