Home / 39,674.25-54,354.33-38,179.80

Finding the Fourth Proportional to 39,674.25, 54,354.33 and 38,179.80

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Solution

The fourth proportional to 39,674.25, 54,354.33 and 38,179.80 is: 52,306.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,674.25 : 54,354.33 = 38,179.80 : x
  2. Step 2: Convert to fraction form
    39,674.25/54,354.33 = 38,179.80/x
  3. Step 3: Cross multiply
    39,674.25x = 54,354.33 × 38,179.80
  4. Step 4: Simplify right side
    39,674.25x = 2,075,237,448.53
  5. Step 5: Solve for x
    x = 2,075,237,448.53/39,674.25
  6. Step 6: Final answer
    x = 52,306.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.