Home / 30,253.20-41,749.41-17,005.20

Finding the Fourth Proportional to 30,253.20, 41,749.41 and 17,005.20

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Solution

The fourth proportional to 30,253.20, 41,749.41 and 17,005.20 is: 23,467.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,253.20 : 41,749.41 = 17,005.20 : x
  2. Step 2: Convert to fraction form
    30,253.20/41,749.41 = 17,005.20/x
  3. Step 3: Cross multiply
    30,253.20x = 41,749.41 × 17,005.20
  4. Step 4: Simplify right side
    30,253.20x = 709,957,066.93
  5. Step 5: Solve for x
    x = 709,957,066.93/30,253.20
  6. Step 6: Final answer
    x = 23,467.17

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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.