Home / 33,378.64-50,051.96-12,588.88

Finding the Fourth Proportional to 33,378.64, 50,051.96 and 12,588.88

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Solution

The fourth proportional to 33,378.64, 50,051.96 and 12,588.88 is: 18,877.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,378.64 : 50,051.96 = 12,588.88 : x
  2. Step 2: Convert to fraction form
    33,378.64/50,051.96 = 12,588.88/x
  3. Step 3: Cross multiply
    33,378.64x = 50,051.96 × 12,588.88
  4. Step 4: Simplify right side
    33,378.64x = 630,098,118.20
  5. Step 5: Solve for x
    x = 630,098,118.20/33,378.64
  6. Step 6: Final answer
    x = 18,877.29

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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.