Home / 41,776.95-62,665.73-12,215.40

Finding the Fourth Proportional to 41,776.95, 62,665.73 and 12,215.40

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Solution

The fourth proportional to 41,776.95, 62,665.73 and 12,215.40 is: 18,323.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,776.95 : 62,665.73 = 12,215.40 : x
  2. Step 2: Convert to fraction form
    41,776.95/62,665.73 = 12,215.40/x
  3. Step 3: Cross multiply
    41,776.95x = 62,665.73 × 12,215.40
  4. Step 4: Simplify right side
    41,776.95x = 765,486,958.24
  5. Step 5: Solve for x
    x = 765,486,958.24/41,776.95
  6. Step 6: Final answer
    x = 18,323.19

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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.