Home / 50,331.78-75,497.85-18,748.80

Finding the Fourth Proportional to 50,331.78, 75,497.85 and 18,748.80

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Solution

The fourth proportional to 50,331.78, 75,497.85 and 18,748.80 is: 28,123.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,331.78 : 75,497.85 = 18,748.80 : x
  2. Step 2: Convert to fraction form
    50,331.78/75,497.85 = 18,748.80/x
  3. Step 3: Cross multiply
    50,331.78x = 75,497.85 × 18,748.80
  4. Step 4: Simplify right side
    50,331.78x = 1,415,494,090.08
  5. Step 5: Solve for x
    x = 1,415,494,090.08/50,331.78
  6. Step 6: Final answer
    x = 28,123.27

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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.