Home / 41,628.60-62,448.30-20,579.40

Finding the Fourth Proportional to 41,628.60, 62,448.30 and 20,579.40

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Solution

The fourth proportional to 41,628.60, 62,448.30 and 20,579.40 is: 30,871.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,628.60 : 62,448.30 = 20,579.40 : x
  2. Step 2: Convert to fraction form
    41,628.60/62,448.30 = 20,579.40/x
  3. Step 3: Cross multiply
    41,628.60x = 62,448.30 × 20,579.40
  4. Step 4: Simplify right side
    41,628.60x = 1,285,148,545.02
  5. Step 5: Solve for x
    x = 1,285,148,545.02/41,628.60
  6. Step 6: Final answer
    x = 30,871.77

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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.