Home / 47,133.75-70,682.67-20,824.14

Finding the Fourth Proportional to 47,133.75, 70,682.67 and 20,824.14

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Solution

The fourth proportional to 47,133.75, 70,682.67 and 20,824.14 is: 31,228.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,133.75 : 70,682.67 = 20,824.14 : x
  2. Step 2: Convert to fraction form
    47,133.75/70,682.67 = 20,824.14/x
  3. Step 3: Cross multiply
    47,133.75x = 70,682.67 × 20,824.14
  4. Step 4: Simplify right side
    47,133.75x = 1,471,905,815.65
  5. Step 5: Solve for x
    x = 1,471,905,815.65/47,133.75
  6. Step 6: Final answer
    x = 31,228.28

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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.