Home / 43,016.90-64,514.54-15,308.42

Finding the Fourth Proportional to 43,016.90, 64,514.54 and 15,308.42

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Solution

The fourth proportional to 43,016.90, 64,514.54 and 15,308.42 is: 22,958.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,016.90 : 64,514.54 = 15,308.42 : x
  2. Step 2: Convert to fraction form
    43,016.90/64,514.54 = 15,308.42/x
  3. Step 3: Cross multiply
    43,016.90x = 64,514.54 × 15,308.42
  4. Step 4: Simplify right side
    43,016.90x = 987,615,674.43
  5. Step 5: Solve for x
    x = 987,615,674.43/43,016.90
  6. Step 6: Final answer
    x = 22,958.78

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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.