Home / 39,581.33-54,622.41-21,676.46

Finding the Fourth Proportional to 39,581.33, 54,622.41 and 21,676.46

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Solution

The fourth proportional to 39,581.33, 54,622.41 and 21,676.46 is: 29,913.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,581.33 : 54,622.41 = 21,676.46 : x
  2. Step 2: Convert to fraction form
    39,581.33/54,622.41 = 21,676.46/x
  3. Step 3: Cross multiply
    39,581.33x = 54,622.41 × 21,676.46
  4. Step 4: Simplify right side
    39,581.33x = 1,184,020,485.47
  5. Step 5: Solve for x
    x = 1,184,020,485.47/39,581.33
  6. Step 6: Final answer
    x = 29,913.61

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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.