Home / 31,561.12-43,554.80-17,413.68

Finding the Fourth Proportional to 31,561.12, 43,554.80 and 17,413.68

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Solution

The fourth proportional to 31,561.12, 43,554.80 and 17,413.68 is: 24,031.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,561.12 : 43,554.80 = 17,413.68 : x
  2. Step 2: Convert to fraction form
    31,561.12/43,554.80 = 17,413.68/x
  3. Step 3: Cross multiply
    31,561.12x = 43,554.80 × 17,413.68
  4. Step 4: Simplify right side
    31,561.12x = 758,449,349.66
  5. Step 5: Solve for x
    x = 758,449,349.66/31,561.12
  6. Step 6: Final answer
    x = 24,031.13

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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.