Home / 31,662.60-43,699.77-18,241.62

Finding the Fourth Proportional to 31,662.60, 43,699.77 and 18,241.62

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Solution

The fourth proportional to 31,662.60, 43,699.77 and 18,241.62 is: 25,176.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,662.60 : 43,699.77 = 18,241.62 : x
  2. Step 2: Convert to fraction form
    31,662.60/43,699.77 = 18,241.62/x
  3. Step 3: Cross multiply
    31,662.60x = 43,699.77 × 18,241.62
  4. Step 4: Simplify right side
    31,662.60x = 797,154,598.43
  5. Step 5: Solve for x
    x = 797,154,598.43/31,662.60
  6. Step 6: Final answer
    x = 25,176.54

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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.