Home / 50,007.26-75,031.60-21,912.80

Finding the Fourth Proportional to 50,007.26, 75,031.60 and 21,912.80

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Solution

The fourth proportional to 50,007.26, 75,031.60 and 21,912.80 is: 32,878.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,007.26 : 75,031.60 = 21,912.80 : x
  2. Step 2: Convert to fraction form
    50,007.26/75,031.60 = 21,912.80/x
  3. Step 3: Cross multiply
    50,007.26x = 75,031.60 × 21,912.80
  4. Step 4: Simplify right side
    50,007.26x = 1,644,152,444.48
  5. Step 5: Solve for x
    x = 1,644,152,444.48/50,007.26
  6. Step 6: Final answer
    x = 32,878.27

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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.