Home / 29,645.04-40,840.89-20,676.54

Finding the Fourth Proportional to 29,645.04, 40,840.89 and 20,676.54

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Solution

The fourth proportional to 29,645.04, 40,840.89 and 20,676.54 is: 28,485.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,645.04 : 40,840.89 = 20,676.54 : x
  2. Step 2: Convert to fraction form
    29,645.04/40,840.89 = 20,676.54/x
  3. Step 3: Cross multiply
    29,645.04x = 40,840.89 × 20,676.54
  4. Step 4: Simplify right side
    29,645.04x = 844,448,295.72
  5. Step 5: Solve for x
    x = 844,448,295.72/29,645.04
  6. Step 6: Final answer
    x = 28,485.31

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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.