Home / 50,853.72-76,280.64-21,255.36

Finding the Fourth Proportional to 50,853.72, 76,280.64 and 21,255.36

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Solution

The fourth proportional to 50,853.72, 76,280.64 and 21,255.36 is: 31,883.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,853.72 : 76,280.64 = 21,255.36 : x
  2. Step 2: Convert to fraction form
    50,853.72/76,280.64 = 21,255.36/x
  3. Step 3: Cross multiply
    50,853.72x = 76,280.64 × 21,255.36
  4. Step 4: Simplify right side
    50,853.72x = 1,621,372,464.23
  5. Step 5: Solve for x
    x = 1,621,372,464.23/50,853.72
  6. Step 6: Final answer
    x = 31,883.07

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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.