Home / 43,945.05-65,893.28-14,347.65

Finding the Fourth Proportional to 43,945.05, 65,893.28 and 14,347.65

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Solution

The fourth proportional to 43,945.05, 65,893.28 and 14,347.65 is: 21,513.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,945.05 : 65,893.28 = 14,347.65 : x
  2. Step 2: Convert to fraction form
    43,945.05/65,893.28 = 14,347.65/x
  3. Step 3: Cross multiply
    43,945.05x = 65,893.28 × 14,347.65
  4. Step 4: Simplify right side
    43,945.05x = 945,413,647.05
  5. Step 5: Solve for x
    x = 945,413,647.05/43,945.05
  6. Step 6: Final answer
    x = 21,513.54

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1.5x scale

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.