Home / 39,833.14-54,971.72-21,927.96

Finding the Fourth Proportional to 39,833.14, 54,971.72 and 21,927.96

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Solution

The fourth proportional to 39,833.14, 54,971.72 and 21,927.96 is: 30,261.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,833.14 : 54,971.72 = 21,927.96 : x
  2. Step 2: Convert to fraction form
    39,833.14/54,971.72 = 21,927.96/x
  3. Step 3: Cross multiply
    39,833.14x = 54,971.72 × 21,927.96
  4. Step 4: Simplify right side
    39,833.14x = 1,205,417,292.79
  5. Step 5: Solve for x
    x = 1,205,417,292.79/39,833.14
  6. Step 6: Final answer
    x = 30,261.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.