Home / 31,704.64-43,751.86-17,557.18

Finding the Fourth Proportional to 31,704.64, 43,751.86 and 17,557.18

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Solution

The fourth proportional to 31,704.64, 43,751.86 and 17,557.18 is: 24,228.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,704.64 : 43,751.86 = 17,557.18 : x
  2. Step 2: Convert to fraction form
    31,704.64/43,751.86 = 17,557.18/x
  3. Step 3: Cross multiply
    31,704.64x = 43,751.86 × 17,557.18
  4. Step 4: Simplify right side
    31,704.64x = 768,159,281.35
  5. Step 5: Solve for x
    x = 768,159,281.35/31,704.64
  6. Step 6: Final answer
    x = 24,228.61

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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.