Home / 31,370.94-43,289.24-17,940.02

Finding the Fourth Proportional to 31,370.94, 43,289.24 and 17,940.02

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Solution

The fourth proportional to 31,370.94, 43,289.24 and 17,940.02 is: 24,755.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,370.94 : 43,289.24 = 17,940.02 : x
  2. Step 2: Convert to fraction form
    31,370.94/43,289.24 = 17,940.02/x
  3. Step 3: Cross multiply
    31,370.94x = 43,289.24 × 17,940.02
  4. Step 4: Simplify right side
    31,370.94x = 776,609,525.24
  5. Step 5: Solve for x
    x = 776,609,525.24/31,370.94
  6. Step 6: Final answer
    x = 24,755.70

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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.