Home / 57,413.22-79,231.14-31,572.84

Finding the Fourth Proportional to 57,413.22, 79,231.14 and 31,572.84

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Solution

The fourth proportional to 57,413.22, 79,231.14 and 31,572.84 is: 43,571.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,413.22 : 79,231.14 = 31,572.84 : x
  2. Step 2: Convert to fraction form
    57,413.22/79,231.14 = 31,572.84/x
  3. Step 3: Cross multiply
    57,413.22x = 79,231.14 × 31,572.84
  4. Step 4: Simplify right side
    57,413.22x = 2,501,552,106.24
  5. Step 5: Solve for x
    x = 2,501,552,106.24/57,413.22
  6. Step 6: Final answer
    x = 43,571.01

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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.