Home / 47,377.03-71,039.43-19,289.89

Finding the Fourth Proportional to 47,377.03, 71,039.43 and 19,289.89

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Solution

The fourth proportional to 47,377.03, 71,039.43 and 19,289.89 is: 28,924.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,377.03 : 71,039.43 = 19,289.89 : x
  2. Step 2: Convert to fraction form
    47,377.03/71,039.43 = 19,289.89/x
  3. Step 3: Cross multiply
    47,377.03x = 71,039.43 × 19,289.89
  4. Step 4: Simplify right side
    47,377.03x = 1,370,342,790.36
  5. Step 5: Solve for x
    x = 1,370,342,790.36/47,377.03
  6. Step 6: Final answer
    x = 28,924.20

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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.