Home / 40,782.45-61,173.55-11,200.31

Finding the Fourth Proportional to 40,782.45, 61,173.55 and 11,200.31

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Solution

The fourth proportional to 40,782.45, 61,173.55 and 11,200.31 is: 16,800.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,782.45 : 61,173.55 = 11,200.31 : x
  2. Step 2: Convert to fraction form
    40,782.45/61,173.55 = 11,200.31/x
  3. Step 3: Cross multiply
    40,782.45x = 61,173.55 × 11,200.31
  4. Step 4: Simplify right side
    40,782.45x = 685,162,570.87
  5. Step 5: Solve for x
    x = 685,162,570.87/40,782.45
  6. Step 6: Final answer
    x = 16,800.43

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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.