Home / 40,299.12-60,409.80-20,586.96

Finding the Fourth Proportional to 40,299.12, 60,409.80 and 20,586.96

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Solution

The fourth proportional to 40,299.12, 60,409.80 and 20,586.96 is: 30,860.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,299.12 : 60,409.80 = 20,586.96 : x
  2. Step 2: Convert to fraction form
    40,299.12/60,409.80 = 20,586.96/x
  3. Step 3: Cross multiply
    40,299.12x = 60,409.80 × 20,586.96
  4. Step 4: Simplify right side
    40,299.12x = 1,243,654,136.21
  5. Step 5: Solve for x
    x = 1,243,654,136.21/40,299.12
  6. Step 6: Final answer
    x = 30,860.58

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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.