Home / 47,293.21-70,890.93-21,972.07

Finding the Fourth Proportional to 47,293.21, 70,890.93 and 21,972.07

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Solution

The fourth proportional to 47,293.21, 70,890.93 and 21,972.07 is: 32,935.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,293.21 : 70,890.93 = 21,972.07 : x
  2. Step 2: Convert to fraction form
    47,293.21/70,890.93 = 21,972.07/x
  3. Step 3: Cross multiply
    47,293.21x = 70,890.93 × 21,972.07
  4. Step 4: Simplify right side
    47,293.21x = 1,557,620,476.33
  5. Step 5: Solve for x
    x = 1,557,620,476.33/47,293.21
  6. Step 6: Final answer
    x = 32,935.39

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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.