Home / 30,363.95-41,902.31-16,936.07

Finding the Fourth Proportional to 30,363.95, 41,902.31 and 16,936.07

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Solution

The fourth proportional to 30,363.95, 41,902.31 and 16,936.07 is: 23,371.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,363.95 : 41,902.31 = 16,936.07 : x
  2. Step 2: Convert to fraction form
    30,363.95/41,902.31 = 16,936.07/x
  3. Step 3: Cross multiply
    30,363.95x = 41,902.31 × 16,936.07
  4. Step 4: Simplify right side
    30,363.95x = 709,660,455.32
  5. Step 5: Solve for x
    x = 709,660,455.32/30,363.95
  6. Step 6: Final answer
    x = 23,371.81

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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.