Home / 31,413.96-43,349.04-17,263.80

Finding the Fourth Proportional to 31,413.96, 43,349.04 and 17,263.80

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Solution

The fourth proportional to 31,413.96, 43,349.04 and 17,263.80 is: 23,822.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,413.96 : 43,349.04 = 17,263.80 : x
  2. Step 2: Convert to fraction form
    31,413.96/43,349.04 = 17,263.80/x
  3. Step 3: Cross multiply
    31,413.96x = 43,349.04 × 17,263.80
  4. Step 4: Simplify right side
    31,413.96x = 748,369,156.75
  5. Step 5: Solve for x
    x = 748,369,156.75/31,413.96
  6. Step 6: Final answer
    x = 23,822.82

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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.