Home / 53,586.98-73,960.26-30,940.64

Finding the Fourth Proportional to 53,586.98, 73,960.26 and 30,940.64

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Solution

The fourth proportional to 53,586.98, 73,960.26 and 30,940.64 is: 42,703.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,586.98 : 73,960.26 = 30,940.64 : x
  2. Step 2: Convert to fraction form
    53,586.98/73,960.26 = 30,940.64/x
  3. Step 3: Cross multiply
    53,586.98x = 73,960.26 × 30,940.64
  4. Step 4: Simplify right side
    53,586.98x = 2,288,377,778.97
  5. Step 5: Solve for x
    x = 2,288,377,778.97/53,586.98
  6. Step 6: Final answer
    x = 42,703.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.