Home / 31,303.26-43,198.38-16,962.89

Finding the Fourth Proportional to 31,303.26, 43,198.38 and 16,962.89

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Solution

The fourth proportional to 31,303.26, 43,198.38 and 16,962.89 is: 23,408.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,303.26 : 43,198.38 = 16,962.89 : x
  2. Step 2: Convert to fraction form
    31,303.26/43,198.38 = 16,962.89/x
  3. Step 3: Cross multiply
    31,303.26x = 43,198.38 × 16,962.89
  4. Step 4: Simplify right side
    31,303.26x = 732,769,152.13
  5. Step 5: Solve for x
    x = 732,769,152.13/31,303.26
  6. Step 6: Final answer
    x = 23,408.72

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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.