Home / 30,842.09-42,561.92-17,413.22

Finding the Fourth Proportional to 30,842.09, 42,561.92 and 17,413.22

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Solution

The fourth proportional to 30,842.09, 42,561.92 and 17,413.22 is: 24,030.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,842.09 : 42,561.92 = 17,413.22 : x
  2. Step 2: Convert to fraction form
    30,842.09/42,561.92 = 17,413.22/x
  3. Step 3: Cross multiply
    30,842.09x = 42,561.92 × 17,413.22
  4. Step 4: Simplify right side
    30,842.09x = 741,139,989.52
  5. Step 5: Solve for x
    x = 741,139,989.52/30,842.09
  6. Step 6: Final answer
    x = 24,030.15

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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.