Home / 55,945.89-83,918.70-39,379.77

Finding the Fourth Proportional to 55,945.89, 83,918.70 and 39,379.77

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Solution

The fourth proportional to 55,945.89, 83,918.70 and 39,379.77 is: 59,069.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,945.89 : 83,918.70 = 39,379.77 : x
  2. Step 2: Convert to fraction form
    55,945.89/83,918.70 = 39,379.77/x
  3. Step 3: Cross multiply
    55,945.89x = 83,918.70 × 39,379.77
  4. Step 4: Simplify right side
    55,945.89x = 3,304,699,104.70
  5. Step 5: Solve for x
    x = 3,304,699,104.70/55,945.89
  6. Step 6: Final answer
    x = 59,069.56

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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.