Home / 74,313.72-111,477.06-21,728.52

Finding the Fourth Proportional to 74,313.72, 111,477.06 and 21,728.52

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Solution

The fourth proportional to 74,313.72, 111,477.06 and 21,728.52 is: 32,594.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,313.72 : 111,477.06 = 21,728.52 : x
  2. Step 2: Convert to fraction form
    74,313.72/111,477.06 = 21,728.52/x
  3. Step 3: Cross multiply
    74,313.72x = 111,477.06 × 21,728.52
  4. Step 4: Simplify right side
    74,313.72x = 2,422,231,527.75
  5. Step 5: Solve for x
    x = 2,422,231,527.75/74,313.72
  6. Step 6: Final answer
    x = 32,594.67

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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.