Home / 31,726.02-47,623.62-18,413.58

Finding the Fourth Proportional to 31,726.02, 47,623.62 and 18,413.58

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Solution

The fourth proportional to 31,726.02, 47,623.62 and 18,413.58 is: 27,640.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,726.02 : 47,623.62 = 18,413.58 : x
  2. Step 2: Convert to fraction form
    31,726.02/47,623.62 = 18,413.58/x
  3. Step 3: Cross multiply
    31,726.02x = 47,623.62 × 18,413.58
  4. Step 4: Simplify right side
    31,726.02x = 876,921,336.76
  5. Step 5: Solve for x
    x = 876,921,336.76/31,726.02
  6. Step 6: Final answer
    x = 27,640.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.