Home / 70,933.23-106,415.37-21,017.25

Finding the Fourth Proportional to 70,933.23, 106,415.37 and 21,017.25

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Solution

The fourth proportional to 70,933.23, 106,415.37 and 21,017.25 is: 31,530.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,933.23 : 106,415.37 = 21,017.25 : x
  2. Step 2: Convert to fraction form
    70,933.23/106,415.37 = 21,017.25/x
  3. Step 3: Cross multiply
    70,933.23x = 106,415.37 × 21,017.25
  4. Step 4: Simplify right side
    70,933.23x = 2,236,558,435.13
  5. Step 5: Solve for x
    x = 2,236,558,435.13/70,933.23
  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.