Home / 31,457.43-43,413.37-17,311.19

Finding the Fourth Proportional to 31,457.43, 43,413.37 and 17,311.19

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Solution

The fourth proportional to 31,457.43, 43,413.37 and 17,311.19 is: 23,890.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,457.43 : 43,413.37 = 17,311.19 : x
  2. Step 2: Convert to fraction form
    31,457.43/43,413.37 = 17,311.19/x
  3. Step 3: Cross multiply
    31,457.43x = 43,413.37 × 17,311.19
  4. Step 4: Simplify right side
    31,457.43x = 751,536,836.27
  5. Step 5: Solve for x
    x = 751,536,836.27/31,457.43
  6. Step 6: Final answer
    x = 23,890.60

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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.