Home / 66,926.44-100,409.10-31,895.56

Finding the Fourth Proportional to 66,926.44, 100,409.10 and 31,895.56

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Solution

The fourth proportional to 66,926.44, 100,409.10 and 31,895.56 is: 47,852.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,926.44 : 100,409.10 = 31,895.56 : x
  2. Step 2: Convert to fraction form
    66,926.44/100,409.10 = 31,895.56/x
  3. Step 3: Cross multiply
    66,926.44x = 100,409.10 × 31,895.56
  4. Step 4: Simplify right side
    66,926.44x = 3,202,604,473.60
  5. Step 5: Solve for x
    x = 3,202,604,473.60/66,926.44
  6. Step 6: Final answer
    x = 47,852.60

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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.