Home / 37,779.24-52,134.26-20,783.48

Finding the Fourth Proportional to 37,779.24, 52,134.26 and 20,783.48

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Solution

The fourth proportional to 37,779.24, 52,134.26 and 20,783.48 is: 28,680.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,779.24 : 52,134.26 = 20,783.48 : x
  2. Step 2: Convert to fraction form
    37,779.24/52,134.26 = 20,783.48/x
  3. Step 3: Cross multiply
    37,779.24x = 52,134.26 × 20,783.48
  4. Step 4: Simplify right side
    37,779.24x = 1,083,530,985.44
  5. Step 5: Solve for x
    x = 1,083,530,985.44/37,779.24
  6. Step 6: Final answer
    x = 28,680.59

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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.