Home / 50,263.60-75,469.80-28,121.20

Finding the Fourth Proportional to 50,263.60, 75,469.80 and 28,121.20

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Solution

The fourth proportional to 50,263.60, 75,469.80 and 28,121.20 is: 42,223.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,263.60 : 75,469.80 = 28,121.20 : x
  2. Step 2: Convert to fraction form
    50,263.60/75,469.80 = 28,121.20/x
  3. Step 3: Cross multiply
    50,263.60x = 75,469.80 × 28,121.20
  4. Step 4: Simplify right side
    50,263.60x = 2,122,301,339.76
  5. Step 5: Solve for x
    x = 2,122,301,339.76/50,263.60
  6. Step 6: Final answer
    x = 42,223.42

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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.