Home / 43,804.02-65,715.75-12,639.27

Finding the Fourth Proportional to 43,804.02, 65,715.75 and 12,639.27

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Solution

The fourth proportional to 43,804.02, 65,715.75 and 12,639.27 is: 18,961.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,804.02 : 65,715.75 = 12,639.27 : x
  2. Step 2: Convert to fraction form
    43,804.02/65,715.75 = 12,639.27/x
  3. Step 3: Cross multiply
    43,804.02x = 65,715.75 × 12,639.27
  4. Step 4: Simplify right side
    43,804.02x = 830,599,107.50
  5. Step 5: Solve for x
    x = 830,599,107.50/43,804.02
  6. Step 6: Final answer
    x = 18,961.71

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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.