Home / 45,052.52-67,578.76-12,220.52

Finding the Fourth Proportional to 45,052.52, 67,578.76 and 12,220.52

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Solution

The fourth proportional to 45,052.52, 67,578.76 and 12,220.52 is: 18,330.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,052.52 : 67,578.76 = 12,220.52 : x
  2. Step 2: Convert to fraction form
    45,052.52/67,578.76 = 12,220.52/x
  3. Step 3: Cross multiply
    45,052.52x = 67,578.76 × 12,220.52
  4. Step 4: Simplify right side
    45,052.52x = 825,847,588.16
  5. Step 5: Solve for x
    x = 825,847,588.16/45,052.52
  6. Step 6: Final answer
    x = 18,330.77

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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.