Home / 36,705.42-55,075.77-20,064.78

Finding the Fourth Proportional to 36,705.42, 55,075.77 and 20,064.78

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Solution

The fourth proportional to 36,705.42, 55,075.77 and 20,064.78 is: 30,106.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,705.42 : 55,075.77 = 20,064.78 : x
  2. Step 2: Convert to fraction form
    36,705.42/55,075.77 = 20,064.78/x
  3. Step 3: Cross multiply
    36,705.42x = 55,075.77 × 20,064.78
  4. Step 4: Simplify right side
    36,705.42x = 1,105,083,208.38
  5. Step 5: Solve for x
    x = 1,105,083,208.38/36,705.42
  6. Step 6: Final answer
    x = 30,106.81

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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.