Home / 31,830.72-43,926.66-17,683.80

Finding the Fourth Proportional to 31,830.72, 43,926.66 and 17,683.80

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Solution

The fourth proportional to 31,830.72, 43,926.66 and 17,683.80 is: 24,403.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,830.72 : 43,926.66 = 17,683.80 : x
  2. Step 2: Convert to fraction form
    31,830.72/43,926.66 = 17,683.80/x
  3. Step 3: Cross multiply
    31,830.72x = 43,926.66 × 17,683.80
  4. Step 4: Simplify right side
    31,830.72x = 776,790,270.11
  5. Step 5: Solve for x
    x = 776,790,270.11/31,830.72
  6. Step 6: Final answer
    x = 24,403.79

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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.