Home / 43,450.18-65,176.40-13,867.99

Finding the Fourth Proportional to 43,450.18, 65,176.40 and 13,867.99

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Solution

The fourth proportional to 43,450.18, 65,176.40 and 13,867.99 is: 20,802.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,450.18 : 65,176.40 = 13,867.99 : x
  2. Step 2: Convert to fraction form
    43,450.18/65,176.40 = 13,867.99/x
  3. Step 3: Cross multiply
    43,450.18x = 65,176.40 × 13,867.99
  4. Step 4: Simplify right side
    43,450.18x = 903,865,535.16
  5. Step 5: Solve for x
    x = 903,865,535.16/43,450.18
  6. Step 6: Final answer
    x = 20,802.34

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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.