Home / 30,779.76-46,136.22-15,766.28

Finding the Fourth Proportional to 30,779.76, 46,136.22 and 15,766.28

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Solution

The fourth proportional to 30,779.76, 46,136.22 and 15,766.28 is: 23,632.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,779.76 : 46,136.22 = 15,766.28 : x
  2. Step 2: Convert to fraction form
    30,779.76/46,136.22 = 15,766.28/x
  3. Step 3: Cross multiply
    30,779.76x = 46,136.22 × 15,766.28
  4. Step 4: Simplify right side
    30,779.76x = 727,396,562.66
  5. Step 5: Solve for x
    x = 727,396,562.66/30,779.76
  6. Step 6: Final answer
    x = 23,632.30

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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.