Home / 30,363.12-41,906.23-22,428.36

Finding the Fourth Proportional to 30,363.12, 41,906.23 and 22,428.36

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Solution

The fourth proportional to 30,363.12, 41,906.23 and 22,428.36 is: 30,954.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,363.12 : 41,906.23 = 22,428.36 : x
  2. Step 2: Convert to fraction form
    30,363.12/41,906.23 = 22,428.36/x
  3. Step 3: Cross multiply
    30,363.12x = 41,906.23 × 22,428.36
  4. Step 4: Simplify right side
    30,363.12x = 939,887,956.61
  5. Step 5: Solve for x
    x = 939,887,956.61/30,363.12
  6. Step 6: Final answer
    x = 30,954.92

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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.