Home / 31,466.14-43,408.11-19,543.35

Finding the Fourth Proportional to 31,466.14, 43,408.11 and 19,543.35

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Solution

The fourth proportional to 31,466.14, 43,408.11 and 19,543.35 is: 26,960.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,466.14 : 43,408.11 = 19,543.35 : x
  2. Step 2: Convert to fraction form
    31,466.14/43,408.11 = 19,543.35/x
  3. Step 3: Cross multiply
    31,466.14x = 43,408.11 × 19,543.35
  4. Step 4: Simplify right side
    31,466.14x = 848,339,886.57
  5. Step 5: Solve for x
    x = 848,339,886.57/31,466.14
  6. Step 6: Final answer
    x = 26,960.41

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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.