Home / 43,485.48-65,246.79-18,537.28

Finding the Fourth Proportional to 43,485.48, 65,246.79 and 18,537.28

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Solution

The fourth proportional to 43,485.48, 65,246.79 and 18,537.28 is: 27,813.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,485.48 : 65,246.79 = 18,537.28 : x
  2. Step 2: Convert to fraction form
    43,485.48/65,246.79 = 18,537.28/x
  3. Step 3: Cross multiply
    43,485.48x = 65,246.79 × 18,537.28
  4. Step 4: Simplify right side
    43,485.48x = 1,209,498,053.10
  5. Step 5: Solve for x
    x = 1,209,498,053.10/43,485.48
  6. Step 6: Final answer
    x = 27,813.84

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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.