Home / 51,028.44-70,408.33-30,881.31

Finding the Fourth Proportional to 51,028.44, 70,408.33 and 30,881.31

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Solution

The fourth proportional to 51,028.44, 70,408.33 and 30,881.31 is: 42,609.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,028.44 : 70,408.33 = 30,881.31 : x
  2. Step 2: Convert to fraction form
    51,028.44/70,408.33 = 30,881.31/x
  3. Step 3: Cross multiply
    51,028.44x = 70,408.33 × 30,881.31
  4. Step 4: Simplify right side
    51,028.44x = 2,174,301,465.31
  5. Step 5: Solve for x
    x = 2,174,301,465.31/51,028.44
  6. Step 6: Final answer
    x = 42,609.60

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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.