Home / 45,324.21-67,962.94-20,342.84

Finding the Fourth Proportional to 45,324.21, 67,962.94 and 20,342.84

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Solution

The fourth proportional to 45,324.21, 67,962.94 and 20,342.84 is: 30,503.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,324.21 : 67,962.94 = 20,342.84 : x
  2. Step 2: Convert to fraction form
    45,324.21/67,962.94 = 20,342.84/x
  3. Step 3: Cross multiply
    45,324.21x = 67,962.94 × 20,342.84
  4. Step 4: Simplify right side
    45,324.21x = 1,382,559,069.87
  5. Step 5: Solve for x
    x = 1,382,559,069.87/45,324.21
  6. Step 6: Final answer
    x = 30,503.77

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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.