Home / 30,141.66-41,591.62-16,712.78

Finding the Fourth Proportional to 30,141.66, 41,591.62 and 16,712.78

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Solution

The fourth proportional to 30,141.66, 41,591.62 and 16,712.78 is: 23,061.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,141.66 : 41,591.62 = 16,712.78 : x
  2. Step 2: Convert to fraction form
    30,141.66/41,591.62 = 16,712.78/x
  3. Step 3: Cross multiply
    30,141.66x = 41,591.62 × 16,712.78
  4. Step 4: Simplify right side
    30,141.66x = 695,111,594.90
  5. Step 5: Solve for x
    x = 695,111,594.90/30,141.66
  6. Step 6: Final answer
    x = 23,061.49

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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.