Home / 30,120.75-41,565.52-17,374.46

Finding the Fourth Proportional to 30,120.75, 41,565.52 and 17,374.46

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Solution

The fourth proportional to 30,120.75, 41,565.52 and 17,374.46 is: 23,976.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,120.75 : 41,565.52 = 17,374.46 : x
  2. Step 2: Convert to fraction form
    30,120.75/41,565.52 = 17,374.46/x
  3. Step 3: Cross multiply
    30,120.75x = 41,565.52 × 17,374.46
  4. Step 4: Simplify right side
    30,120.75x = 722,178,464.62
  5. Step 5: Solve for x
    x = 722,178,464.62/30,120.75
  6. Step 6: Final answer
    x = 23,976.11

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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.