Home / 31,440.85-43,387.46-17,293.69

Finding the Fourth Proportional to 31,440.85, 43,387.46 and 17,293.69

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Solution

The fourth proportional to 31,440.85, 43,387.46 and 17,293.69 is: 23,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,440.85 : 43,387.46 = 17,293.69 : x
  2. Step 2: Convert to fraction form
    31,440.85/43,387.46 = 17,293.69/x
  3. Step 3: Cross multiply
    31,440.85x = 43,387.46 × 17,293.69
  4. Step 4: Simplify right side
    31,440.85x = 750,329,413.02
  5. Step 5: Solve for x
    x = 750,329,413.02/31,440.85
  6. Step 6: Final answer
    x = 23,864.80

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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.