Home / 47,669.96-71,505.35-12,131.31

Finding the Fourth Proportional to 47,669.96, 71,505.35 and 12,131.31

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Solution

The fourth proportional to 47,669.96, 71,505.35 and 12,131.31 is: 18,197.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,669.96 : 71,505.35 = 12,131.31 : x
  2. Step 2: Convert to fraction form
    47,669.96/71,505.35 = 12,131.31/x
  3. Step 3: Cross multiply
    47,669.96x = 71,505.35 × 12,131.31
  4. Step 4: Simplify right side
    47,669.96x = 867,453,567.51
  5. Step 5: Solve for x
    x = 867,453,567.51/47,669.96
  6. Step 6: Final answer
    x = 18,197.07

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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.