Home / 50,651.21-75,980.05-19,486.46

Finding the Fourth Proportional to 50,651.21, 75,980.05 and 19,486.46

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Solution

The fourth proportional to 50,651.21, 75,980.05 and 19,486.46 is: 29,230.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,651.21 : 75,980.05 = 19,486.46 : x
  2. Step 2: Convert to fraction form
    50,651.21/75,980.05 = 19,486.46/x
  3. Step 3: Cross multiply
    50,651.21x = 75,980.05 × 19,486.46
  4. Step 4: Simplify right side
    50,651.21x = 1,480,581,825.22
  5. Step 5: Solve for x
    x = 1,480,581,825.22/50,651.21
  6. Step 6: Final answer
    x = 29,230.93

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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.