Home / 31,653.64-43,683.06-18,229.24

Finding the Fourth Proportional to 31,653.64, 43,683.06 and 18,229.24

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Solution

The fourth proportional to 31,653.64, 43,683.06 and 18,229.24 is: 25,156.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,653.64 : 43,683.06 = 18,229.24 : x
  2. Step 2: Convert to fraction form
    31,653.64/43,683.06 = 18,229.24/x
  3. Step 3: Cross multiply
    31,653.64x = 43,683.06 × 18,229.24
  4. Step 4: Simplify right side
    31,653.64x = 796,308,984.67
  5. Step 5: Solve for x
    x = 796,308,984.67/31,653.64
  6. Step 6: Final answer
    x = 25,156.95

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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.