Home / 37,999.12-57,010.20-18,272.08

Finding the Fourth Proportional to 37,999.12, 57,010.20 and 18,272.08

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Solution

The fourth proportional to 37,999.12, 57,010.20 and 18,272.08 is: 27,413.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,999.12 : 57,010.20 = 18,272.08 : x
  2. Step 2: Convert to fraction form
    37,999.12/57,010.20 = 18,272.08/x
  3. Step 3: Cross multiply
    37,999.12x = 57,010.20 × 18,272.08
  4. Step 4: Simplify right side
    37,999.12x = 1,041,694,935.22
  5. Step 5: Solve for x
    x = 1,041,694,935.22/37,999.12
  6. Step 6: Final answer
    x = 27,413.66

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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.