Home / 45,796.88-68,718.75-21,808.34

Finding the Fourth Proportional to 45,796.88, 68,718.75 and 21,808.34

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Solution

The fourth proportional to 45,796.88, 68,718.75 and 21,808.34 is: 32,723.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,796.88 : 68,718.75 = 21,808.34 : x
  2. Step 2: Convert to fraction form
    45,796.88/68,718.75 = 21,808.34/x
  3. Step 3: Cross multiply
    45,796.88x = 68,718.75 × 21,808.34
  4. Step 4: Simplify right side
    45,796.88x = 1,498,641,864.38
  5. Step 5: Solve for x
    x = 1,498,641,864.38/45,796.88
  6. Step 6: Final answer
    x = 32,723.67

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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.