Home / 50,272.44-69,408.48-31,172.51

Finding the Fourth Proportional to 50,272.44, 69,408.48 and 31,172.51

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Solution

The fourth proportional to 50,272.44, 69,408.48 and 31,172.51 is: 43,038.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,272.44 : 69,408.48 = 31,172.51 : x
  2. Step 2: Convert to fraction form
    50,272.44/69,408.48 = 31,172.51/x
  3. Step 3: Cross multiply
    50,272.44x = 69,408.48 × 31,172.51
  4. Step 4: Simplify right side
    50,272.44x = 2,163,636,189.84
  5. Step 5: Solve for x
    x = 2,163,636,189.84/50,272.44
  6. Step 6: Final answer
    x = 43,038.22

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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.