Home / 33,779.20-50,668.80-10,405.60

Finding the Fourth Proportional to 33,779.20, 50,668.80 and 10,405.60

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Solution

The fourth proportional to 33,779.20, 50,668.80 and 10,405.60 is: 15,608.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,779.20 : 50,668.80 = 10,405.60 : x
  2. Step 2: Convert to fraction form
    33,779.20/50,668.80 = 10,405.60/x
  3. Step 3: Cross multiply
    33,779.20x = 50,668.80 × 10,405.60
  4. Step 4: Simplify right side
    33,779.20x = 527,239,265.28
  5. Step 5: Solve for x
    x = 527,239,265.28/33,779.20
  6. Step 6: Final answer
    x = 15,608.40

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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.