Home / 40,722.18-61,083.99-13,020.18

Finding the Fourth Proportional to 40,722.18, 61,083.99 and 13,020.18

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Solution

The fourth proportional to 40,722.18, 61,083.99 and 13,020.18 is: 19,530.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,722.18 : 61,083.99 = 13,020.18 : x
  2. Step 2: Convert to fraction form
    40,722.18/61,083.99 = 13,020.18/x
  3. Step 3: Cross multiply
    40,722.18x = 61,083.99 × 13,020.18
  4. Step 4: Simplify right side
    40,722.18x = 795,324,544.92
  5. Step 5: Solve for x
    x = 795,324,544.92/40,722.18
  6. Step 6: Final answer
    x = 19,530.50

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1.5x scale

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.