Home / 36,493.16-54,739.74-20,899.88

Finding the Fourth Proportional to 36,493.16, 54,739.74 and 20,899.88

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Solution

The fourth proportional to 36,493.16, 54,739.74 and 20,899.88 is: 31,349.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,493.16 : 54,739.74 = 20,899.88 : x
  2. Step 2: Convert to fraction form
    36,493.16/54,739.74 = 20,899.88/x
  3. Step 3: Cross multiply
    36,493.16x = 54,739.74 × 20,899.88
  4. Step 4: Simplify right side
    36,493.16x = 1,144,053,997.23
  5. Step 5: Solve for x
    x = 1,144,053,997.23/36,493.16
  6. Step 6: Final answer
    x = 31,349.82

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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.