Home / 32,518.89-48,777.21-13,786.88

Finding the Fourth Proportional to 32,518.89, 48,777.21 and 13,786.88

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Solution

The fourth proportional to 32,518.89, 48,777.21 and 13,786.88 is: 20,679.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,518.89 : 48,777.21 = 13,786.88 : x
  2. Step 2: Convert to fraction form
    32,518.89/48,777.21 = 13,786.88/x
  3. Step 3: Cross multiply
    32,518.89x = 48,777.21 × 13,786.88
  4. Step 4: Simplify right side
    32,518.89x = 672,485,297.12
  5. Step 5: Solve for x
    x = 672,485,297.12/32,518.89
  6. Step 6: Final answer
    x = 20,679.84

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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.