Home / 39,972.58-55,156.25-22,977.54

Finding the Fourth Proportional to 39,972.58, 55,156.25 and 22,977.54

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Solution

The fourth proportional to 39,972.58, 55,156.25 and 22,977.54 is: 31,705.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,972.58 : 55,156.25 = 22,977.54 : x
  2. Step 2: Convert to fraction form
    39,972.58/55,156.25 = 22,977.54/x
  3. Step 3: Cross multiply
    39,972.58x = 55,156.25 × 22,977.54
  4. Step 4: Simplify right side
    39,972.58x = 1,267,354,998.07
  5. Step 5: Solve for x
    x = 1,267,354,998.07/39,972.58
  6. Step 6: Final answer
    x = 31,705.61

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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.