Home / 37,413.68-51,631.97-20,419.01

Finding the Fourth Proportional to 37,413.68, 51,631.97 and 20,419.01

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Solution

The fourth proportional to 37,413.68, 51,631.97 and 20,419.01 is: 28,178.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,413.68 : 51,631.97 = 20,419.01 : x
  2. Step 2: Convert to fraction form
    37,413.68/51,631.97 = 20,419.01/x
  3. Step 3: Cross multiply
    37,413.68x = 51,631.97 × 20,419.01
  4. Step 4: Simplify right side
    37,413.68x = 1,054,273,835.54
  5. Step 5: Solve for x
    x = 1,054,273,835.54/37,413.68
  6. Step 6: Final answer
    x = 28,178.83

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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.