Home / 47,961.23-71,941.73-12,900.92

Finding the Fourth Proportional to 47,961.23, 71,941.73 and 12,900.92

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Solution

The fourth proportional to 47,961.23, 71,941.73 and 12,900.92 is: 19,351.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,961.23 : 71,941.73 = 12,900.92 : x
  2. Step 2: Convert to fraction form
    47,961.23/71,941.73 = 12,900.92/x
  3. Step 3: Cross multiply
    47,961.23x = 71,941.73 × 12,900.92
  4. Step 4: Simplify right side
    47,961.23x = 928,114,079.18
  5. Step 5: Solve for x
    x = 928,114,079.18/47,961.23
  6. Step 6: Final answer
    x = 19,351.34

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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.