Home / 70,933.22-106,415.38-21,017.24

Finding the Fourth Proportional to 70,933.22, 106,415.38 and 21,017.24

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Solution

The fourth proportional to 70,933.22, 106,415.38 and 21,017.24 is: 31,530.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,933.22 : 106,415.38 = 21,017.24 : x
  2. Step 2: Convert to fraction form
    70,933.22/106,415.38 = 21,017.24/x
  3. Step 3: Cross multiply
    70,933.22x = 106,415.38 × 21,017.24
  4. Step 4: Simplify right side
    70,933.22x = 2,236,557,581.15
  5. Step 5: Solve for x
    x = 2,236,557,581.15/70,933.22
  6. Step 6: Final answer
    x = 31,530.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.