Home / 45,299.02-67,888.39-20,334.42

Finding the Fourth Proportional to 45,299.02, 67,888.39 and 20,334.42

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Solution

The fourth proportional to 45,299.02, 67,888.39 and 20,334.42 is: 30,474.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,299.02 : 67,888.39 = 20,334.42 : x
  2. Step 2: Convert to fraction form
    45,299.02/67,888.39 = 20,334.42/x
  3. Step 3: Cross multiply
    45,299.02x = 67,888.39 × 20,334.42
  4. Step 4: Simplify right side
    45,299.02x = 1,380,470,594.27
  5. Step 5: Solve for x
    x = 1,380,470,594.27/45,299.02
  6. Step 6: Final answer
    x = 30,474.62

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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.