Home / 36,808.50-55,212.75-9,106.50

Finding the Fourth Proportional to 36,808.50, 55,212.75 and 9,106.50

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Solution

The fourth proportional to 36,808.50, 55,212.75 and 9,106.50 is: 13,659.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,808.50 : 55,212.75 = 9,106.50 : x
  2. Step 2: Convert to fraction form
    36,808.50/55,212.75 = 9,106.50/x
  3. Step 3: Cross multiply
    36,808.50x = 55,212.75 × 9,106.50
  4. Step 4: Simplify right side
    36,808.50x = 502,794,907.88
  5. Step 5: Solve for x
    x = 502,794,907.88/36,808.50
  6. Step 6: Final answer
    x = 13,659.75

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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.