Home / 50,440.40-75,660.60-19,271.60

Finding the Fourth Proportional to 50,440.40, 75,660.60 and 19,271.60

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Solution

The fourth proportional to 50,440.40, 75,660.60 and 19,271.60 is: 28,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,440.40 : 75,660.60 = 19,271.60 : x
  2. Step 2: Convert to fraction form
    50,440.40/75,660.60 = 19,271.60/x
  3. Step 3: Cross multiply
    50,440.40x = 75,660.60 × 19,271.60
  4. Step 4: Simplify right side
    50,440.40x = 1,458,100,818.96
  5. Step 5: Solve for x
    x = 1,458,100,818.96/50,440.40
  6. Step 6: Final answer
    x = 28,907.40

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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.