Home / 30,569.54-42,194.93-19,960.83

Finding the Fourth Proportional to 30,569.54, 42,194.93 and 19,960.83

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Solution

The fourth proportional to 30,569.54, 42,194.93 and 19,960.83 is: 27,551.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,569.54 : 42,194.93 = 19,960.83 : x
  2. Step 2: Convert to fraction form
    30,569.54/42,194.93 = 19,960.83/x
  3. Step 3: Cross multiply
    30,569.54x = 42,194.93 × 19,960.83
  4. Step 4: Simplify right side
    30,569.54x = 842,245,724.79
  5. Step 5: Solve for x
    x = 842,245,724.79/30,569.54
  6. Step 6: Final answer
    x = 27,551.80

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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.