Home / 53,691.24-80,504.95-20,413.74

Finding the Fourth Proportional to 53,691.24, 80,504.95 and 20,413.74

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Solution

The fourth proportional to 53,691.24, 80,504.95 and 20,413.74 is: 30,608.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,691.24 : 80,504.95 = 20,413.74 : x
  2. Step 2: Convert to fraction form
    53,691.24/80,504.95 = 20,413.74/x
  3. Step 3: Cross multiply
    53,691.24x = 80,504.95 × 20,413.74
  4. Step 4: Simplify right side
    53,691.24x = 1,643,406,664.45
  5. Step 5: Solve for x
    x = 1,643,406,664.45/53,691.24
  6. Step 6: Final answer
    x = 30,608.47

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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.