Home / 47,777.85-71,627.90-19,682.19

Finding the Fourth Proportional to 47,777.85, 71,627.90 and 19,682.19

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Solution

The fourth proportional to 47,777.85, 71,627.90 and 19,682.19 is: 29,507.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,777.85 : 71,627.90 = 19,682.19 : x
  2. Step 2: Convert to fraction form
    47,777.85/71,627.90 = 19,682.19/x
  3. Step 3: Cross multiply
    47,777.85x = 71,627.90 × 19,682.19
  4. Step 4: Simplify right side
    47,777.85x = 1,409,793,838.69
  5. Step 5: Solve for x
    x = 1,409,793,838.69/47,777.85
  6. Step 6: Final answer
    x = 29,507.27

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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.