Home / 50,511.42-75,658.59-40,980.96

Finding the Fourth Proportional to 50,511.42, 75,658.59 and 40,980.96

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Solution

The fourth proportional to 50,511.42, 75,658.59 and 40,980.96 is: 61,383.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,511.42 : 75,658.59 = 40,980.96 : x
  2. Step 2: Convert to fraction form
    50,511.42/75,658.59 = 40,980.96/x
  3. Step 3: Cross multiply
    50,511.42x = 75,658.59 × 40,980.96
  4. Step 4: Simplify right side
    50,511.42x = 3,100,561,650.45
  5. Step 5: Solve for x
    x = 3,100,561,650.45/50,511.42
  6. Step 6: Final answer
    x = 61,383.38

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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.