Home / 43,675.43-65,513.16-18,699.26

Finding the Fourth Proportional to 43,675.43, 65,513.16 and 18,699.26

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Solution

The fourth proportional to 43,675.43, 65,513.16 and 18,699.26 is: 28,048.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,675.43 : 65,513.16 = 18,699.26 : x
  2. Step 2: Convert to fraction form
    43,675.43/65,513.16 = 18,699.26/x
  3. Step 3: Cross multiply
    43,675.43x = 65,513.16 × 18,699.26
  4. Step 4: Simplify right side
    43,675.43x = 1,225,047,284.70
  5. Step 5: Solve for x
    x = 1,225,047,284.70/43,675.43
  6. Step 6: Final answer
    x = 28,048.89

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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.