Home / 50,418.42-75,627.60-20,803.69

Finding the Fourth Proportional to 50,418.42, 75,627.60 and 20,803.69

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Solution

The fourth proportional to 50,418.42, 75,627.60 and 20,803.69 is: 31,205.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,418.42 : 75,627.60 = 20,803.69 : x
  2. Step 2: Convert to fraction form
    50,418.42/75,627.60 = 20,803.69/x
  3. Step 3: Cross multiply
    50,418.42x = 75,627.60 × 20,803.69
  4. Step 4: Simplify right side
    50,418.42x = 1,573,333,145.84
  5. Step 5: Solve for x
    x = 1,573,333,145.84/50,418.42
  6. Step 6: Final answer
    x = 31,205.52

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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.