Home / 36,412.00-54,618.00-20,818.69

Finding the Fourth Proportional to 36,412.00, 54,618.00 and 20,818.69

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Solution

The fourth proportional to 36,412.00, 54,618.00 and 20,818.69 is: 31,228.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,412.00 : 54,618.00 = 20,818.69 : x
  2. Step 2: Convert to fraction form
    36,412.00/54,618.00 = 20,818.69/x
  3. Step 3: Cross multiply
    36,412.00x = 54,618.00 × 20,818.69
  4. Step 4: Simplify right side
    36,412.00x = 1,137,074,995.80
  5. Step 5: Solve for x
    x = 1,137,074,995.80/36,412.00
  6. Step 6: Final answer
    x = 31,228.03

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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.