Home / 30,376.35-41,938.88-19,061.37

Finding the Fourth Proportional to 30,376.35, 41,938.88 and 19,061.37

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Solution

The fourth proportional to 30,376.35, 41,938.88 and 19,061.37 is: 26,316.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,376.35 : 41,938.88 = 19,061.37 : x
  2. Step 2: Convert to fraction form
    30,376.35/41,938.88 = 19,061.37/x
  3. Step 3: Cross multiply
    30,376.35x = 41,938.88 × 19,061.37
  4. Step 4: Simplify right side
    30,376.35x = 799,412,413.76
  5. Step 5: Solve for x
    x = 799,412,413.76/30,376.35
  6. Step 6: Final answer
    x = 26,316.93

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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.