Home / 39,235.20-58,801.60-18,172.80

Finding the Fourth Proportional to 39,235.20, 58,801.60 and 18,172.80

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Solution

The fourth proportional to 39,235.20, 58,801.60 and 18,172.80 is: 27,235.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,235.20 : 58,801.60 = 18,172.80 : x
  2. Step 2: Convert to fraction form
    39,235.20/58,801.60 = 18,172.80/x
  3. Step 3: Cross multiply
    39,235.20x = 58,801.60 × 18,172.80
  4. Step 4: Simplify right side
    39,235.20x = 1,068,589,716.48
  5. Step 5: Solve for x
    x = 1,068,589,716.48/39,235.20
  6. Step 6: Final answer
    x = 27,235.49

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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.