Home / 47,409.89-71,114.81-14,129.10

Finding the Fourth Proportional to 47,409.89, 71,114.81 and 14,129.10

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Solution

The fourth proportional to 47,409.89, 71,114.81 and 14,129.10 is: 21,193.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,409.89 : 71,114.81 = 14,129.10 : x
  2. Step 2: Convert to fraction form
    47,409.89/71,114.81 = 14,129.10/x
  3. Step 3: Cross multiply
    47,409.89x = 71,114.81 × 14,129.10
  4. Step 4: Simplify right side
    47,409.89x = 1,004,788,191.33
  5. Step 5: Solve for x
    x = 1,004,788,191.33/47,409.89
  6. Step 6: Final answer
    x = 21,193.64

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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.