Home / 43,930.12-65,878.62-15,842.68

Finding the Fourth Proportional to 43,930.12, 65,878.62 and 15,842.68

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Solution

The fourth proportional to 43,930.12, 65,878.62 and 15,842.68 is: 23,758.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,930.12 : 65,878.62 = 15,842.68 : x
  2. Step 2: Convert to fraction form
    43,930.12/65,878.62 = 15,842.68/x
  3. Step 3: Cross multiply
    43,930.12x = 65,878.62 × 15,842.68
  4. Step 4: Simplify right side
    43,930.12x = 1,043,693,895.50
  5. Step 5: Solve for x
    x = 1,043,693,895.50/43,930.12
  6. Step 6: Final answer
    x = 23,758.05

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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.