Home / 31,754.53-43,820.58-18,143.19

Finding the Fourth Proportional to 31,754.53, 43,820.58 and 18,143.19

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Solution

The fourth proportional to 31,754.53, 43,820.58 and 18,143.19 is: 25,037.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,754.53 : 43,820.58 = 18,143.19 : x
  2. Step 2: Convert to fraction form
    31,754.53/43,820.58 = 18,143.19/x
  3. Step 3: Cross multiply
    31,754.53x = 43,820.58 × 18,143.19
  4. Step 4: Simplify right side
    31,754.53x = 795,045,074.83
  5. Step 5: Solve for x
    x = 795,045,074.83/31,754.53
  6. Step 6: Final answer
    x = 25,037.22

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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.