Home / 77,462.28-116,179.44-20,536.56

Finding the Fourth Proportional to 77,462.28, 116,179.44 and 20,536.56

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Solution

The fourth proportional to 77,462.28, 116,179.44 and 20,536.56 is: 30,801.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,462.28 : 116,179.44 = 20,536.56 : x
  2. Step 2: Convert to fraction form
    77,462.28/116,179.44 = 20,536.56/x
  3. Step 3: Cross multiply
    77,462.28x = 116,179.44 × 20,536.56
  4. Step 4: Simplify right side
    77,462.28x = 2,385,926,040.33
  5. Step 5: Solve for x
    x = 2,385,926,040.33/77,462.28
  6. Step 6: Final answer
    x = 30,801.13

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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.