Home / 50,521.28-75,738.72-19,378.88

Finding the Fourth Proportional to 50,521.28, 75,738.72 and 19,378.88

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Solution

The fourth proportional to 50,521.28, 75,738.72 and 19,378.88 is: 29,051.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,521.28 : 75,738.72 = 19,378.88 : x
  2. Step 2: Convert to fraction form
    50,521.28/75,738.72 = 19,378.88/x
  3. Step 3: Cross multiply
    50,521.28x = 75,738.72 × 19,378.88
  4. Step 4: Simplify right side
    50,521.28x = 1,467,731,566.23
  5. Step 5: Solve for x
    x = 1,467,731,566.23/50,521.28
  6. Step 6: Final answer
    x = 29,051.75

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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.