Home / 45,124.27-67,684.98-21,448.84

Finding the Fourth Proportional to 45,124.27, 67,684.98 and 21,448.84

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Solution

The fourth proportional to 45,124.27, 67,684.98 and 21,448.84 is: 32,172.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,124.27 : 67,684.98 = 21,448.84 : x
  2. Step 2: Convert to fraction form
    45,124.27/67,684.98 = 21,448.84/x
  3. Step 3: Cross multiply
    45,124.27x = 67,684.98 × 21,448.84
  4. Step 4: Simplify right side
    45,124.27x = 1,451,764,306.42
  5. Step 5: Solve for x
    x = 1,451,764,306.42/45,124.27
  6. Step 6: Final answer
    x = 32,172.58

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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.