Home / 43,817.48-65,698.13-18,510.11

Finding the Fourth Proportional to 43,817.48, 65,698.13 and 18,510.11

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Solution

The fourth proportional to 43,817.48, 65,698.13 and 18,510.11 is: 27,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,817.48 : 65,698.13 = 18,510.11 : x
  2. Step 2: Convert to fraction form
    43,817.48/65,698.13 = 18,510.11/x
  3. Step 3: Cross multiply
    43,817.48x = 65,698.13 × 18,510.11
  4. Step 4: Simplify right side
    43,817.48x = 1,216,079,613.09
  5. Step 5: Solve for x
    x = 1,216,079,613.09/43,817.48
  6. Step 6: Final answer
    x = 27,753.30

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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.