Home / 50,216.70-75,325.49-12,776.80

Finding the Fourth Proportional to 50,216.70, 75,325.49 and 12,776.80

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Solution

The fourth proportional to 50,216.70, 75,325.49 and 12,776.80 is: 19,165.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,216.70 : 75,325.49 = 12,776.80 : x
  2. Step 2: Convert to fraction form
    50,216.70/75,325.49 = 12,776.80/x
  3. Step 3: Cross multiply
    50,216.70x = 75,325.49 × 12,776.80
  4. Step 4: Simplify right side
    50,216.70x = 962,418,720.63
  5. Step 5: Solve for x
    x = 962,418,720.63/50,216.70
  6. Step 6: Final answer
    x = 19,165.31

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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.