Home / 47,779.96-71,668.31-12,241.60

Finding the Fourth Proportional to 47,779.96, 71,668.31 and 12,241.60

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Solution

The fourth proportional to 47,779.96, 71,668.31 and 12,241.60 is: 18,361.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,779.96 : 71,668.31 = 12,241.60 : x
  2. Step 2: Convert to fraction form
    47,779.96/71,668.31 = 12,241.60/x
  3. Step 3: Cross multiply
    47,779.96x = 71,668.31 × 12,241.60
  4. Step 4: Simplify right side
    47,779.96x = 877,334,364.15
  5. Step 5: Solve for x
    x = 877,334,364.15/47,779.96
  6. Step 6: Final answer
    x = 18,361.98

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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.