Home / 31,702.55-43,749.54-17,555.09

Finding the Fourth Proportional to 31,702.55, 43,749.54 and 17,555.09

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Solution

The fourth proportional to 31,702.55, 43,749.54 and 17,555.09 is: 24,226.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,702.55 : 43,749.54 = 17,555.09 : x
  2. Step 2: Convert to fraction form
    31,702.55/43,749.54 = 17,555.09/x
  3. Step 3: Cross multiply
    31,702.55x = 43,749.54 × 17,555.09
  4. Step 4: Simplify right side
    31,702.55x = 768,026,893.41
  5. Step 5: Solve for x
    x = 768,026,893.41/31,702.55
  6. Step 6: Final answer
    x = 24,226.03

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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.