Home / 43,484.77-65,219.30-19,786.73

Finding the Fourth Proportional to 43,484.77, 65,219.30 and 19,786.73

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Solution

The fourth proportional to 43,484.77, 65,219.30 and 19,786.73 is: 29,676.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,484.77 : 65,219.30 = 19,786.73 : x
  2. Step 2: Convert to fraction form
    43,484.77/65,219.30 = 19,786.73/x
  3. Step 3: Cross multiply
    43,484.77x = 65,219.30 × 19,786.73
  4. Step 4: Simplify right side
    43,484.77x = 1,290,476,580.96
  5. Step 5: Solve for x
    x = 1,290,476,580.96/43,484.77
  6. Step 6: Final answer
    x = 29,676.52

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1.5x scale

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.