Home / 30,413.62-41,947.47-18,301.48

Finding the Fourth Proportional to 30,413.62, 41,947.47 and 18,301.48

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Solution

The fourth proportional to 30,413.62, 41,947.47 and 18,301.48 is: 25,242.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,413.62 : 41,947.47 = 18,301.48 : x
  2. Step 2: Convert to fraction form
    30,413.62/41,947.47 = 18,301.48/x
  3. Step 3: Cross multiply
    30,413.62x = 41,947.47 × 18,301.48
  4. Step 4: Simplify right side
    30,413.62x = 767,700,755.60
  5. Step 5: Solve for x
    x = 767,700,755.60/30,413.62
  6. Step 6: Final answer
    x = 25,242.00

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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.