Home / 31,413.40-43,349.75-17,072.89

Finding the Fourth Proportional to 31,413.40, 43,349.75 and 17,072.89

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Solution

The fourth proportional to 31,413.40, 43,349.75 and 17,072.89 is: 23,560.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,413.40 : 43,349.75 = 17,072.89 : x
  2. Step 2: Convert to fraction form
    31,413.40/43,349.75 = 17,072.89/x
  3. Step 3: Cross multiply
    31,413.40x = 43,349.75 × 17,072.89
  4. Step 4: Simplify right side
    31,413.40x = 740,105,513.28
  5. Step 5: Solve for x
    x = 740,105,513.28/31,413.40
  6. Step 6: Final answer
    x = 23,560.18

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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.