Home / 50,031.36-75,002.88-18,844.80

Finding the Fourth Proportional to 50,031.36, 75,002.88 and 18,844.80

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Solution

The fourth proportional to 50,031.36, 75,002.88 and 18,844.80 is: 28,250.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,031.36 : 75,002.88 = 18,844.80 : x
  2. Step 2: Convert to fraction form
    50,031.36/75,002.88 = 18,844.80/x
  3. Step 3: Cross multiply
    50,031.36x = 75,002.88 × 18,844.80
  4. Step 4: Simplify right side
    50,031.36x = 1,413,414,273.02
  5. Step 5: Solve for x
    x = 1,413,414,273.02/50,031.36
  6. Step 6: Final answer
    x = 28,250.57

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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.