Home / 33,455.10-50,189.40-9,762.60

Finding the Fourth Proportional to 33,455.10, 50,189.40 and 9,762.60

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Solution

The fourth proportional to 33,455.10, 50,189.40 and 9,762.60 is: 14,645.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,455.10 : 50,189.40 = 9,762.60 : x
  2. Step 2: Convert to fraction form
    33,455.10/50,189.40 = 9,762.60/x
  3. Step 3: Cross multiply
    33,455.10x = 50,189.40 × 9,762.60
  4. Step 4: Simplify right side
    33,455.10x = 489,979,036.44
  5. Step 5: Solve for x
    x = 489,979,036.44/33,455.10
  6. Step 6: Final answer
    x = 14,645.87

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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.