Home / 39,455.75-54,450.56-22,688.75

Finding the Fourth Proportional to 39,455.75, 54,450.56 and 22,688.75

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Solution

The fourth proportional to 39,455.75, 54,450.56 and 22,688.75 is: 31,311.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,455.75 : 54,450.56 = 22,688.75 : x
  2. Step 2: Convert to fraction form
    39,455.75/54,450.56 = 22,688.75/x
  3. Step 3: Cross multiply
    39,455.75x = 54,450.56 × 22,688.75
  4. Step 4: Simplify right side
    39,455.75x = 1,235,415,029.76
  5. Step 5: Solve for x
    x = 1,235,415,029.76/39,455.75
  6. Step 6: Final answer
    x = 31,311.41

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1.5x scale

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.