Home / 31,336.93-47,016.33-13,808.26

Finding the Fourth Proportional to 31,336.93, 47,016.33 and 13,808.26

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Solution

The fourth proportional to 31,336.93, 47,016.33 and 13,808.26 is: 20,717.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,336.93 : 47,016.33 = 13,808.26 : x
  2. Step 2: Convert to fraction form
    31,336.93/47,016.33 = 13,808.26/x
  3. Step 3: Cross multiply
    31,336.93x = 47,016.33 × 13,808.26
  4. Step 4: Simplify right side
    31,336.93x = 649,213,708.89
  5. Step 5: Solve for x
    x = 649,213,708.89/31,336.93
  6. Step 6: Final answer
    x = 20,717.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.