Home / 31,457.52-43,413.45-17,311.29

Finding the Fourth Proportional to 31,457.52, 43,413.45 and 17,311.29

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Solution

The fourth proportional to 31,457.52, 43,413.45 and 17,311.29 is: 23,890.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,457.52 : 43,413.45 = 17,311.29 : x
  2. Step 2: Convert to fraction form
    31,457.52/43,413.45 = 17,311.29/x
  3. Step 3: Cross multiply
    31,457.52x = 43,413.45 × 17,311.29
  4. Step 4: Simplify right side
    31,457.52x = 751,542,822.85
  5. Step 5: Solve for x
    x = 751,542,822.85/31,457.52
  6. Step 6: Final answer
    x = 23,890.72

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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.