Home / 31,704.64-43,751.23-18,276.46

Finding the Fourth Proportional to 31,704.64, 43,751.23 and 18,276.46

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Solution

The fourth proportional to 31,704.64, 43,751.23 and 18,276.46 is: 25,220.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,704.64 : 43,751.23 = 18,276.46 : x
  2. Step 2: Convert to fraction form
    31,704.64/43,751.23 = 18,276.46/x
  3. Step 3: Cross multiply
    31,704.64x = 43,751.23 × 18,276.46
  4. Step 4: Simplify right side
    31,704.64x = 799,617,449.98
  5. Step 5: Solve for x
    x = 799,617,449.98/31,704.64
  6. Step 6: Final answer
    x = 25,220.84

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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.