Home / 43,969.69-65,929.87-18,994.15

Finding the Fourth Proportional to 43,969.69, 65,929.87 and 18,994.15

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Solution

The fourth proportional to 43,969.69, 65,929.87 and 18,994.15 is: 28,480.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,969.69 : 65,929.87 = 18,994.15 : x
  2. Step 2: Convert to fraction form
    43,969.69/65,929.87 = 18,994.15/x
  3. Step 3: Cross multiply
    43,969.69x = 65,929.87 × 18,994.15
  4. Step 4: Simplify right side
    43,969.69x = 1,252,281,840.26
  5. Step 5: Solve for x
    x = 1,252,281,840.26/43,969.69
  6. Step 6: Final answer
    x = 28,480.57

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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.