Home / 50,855.32-76,282.96-19,690.57

Finding the Fourth Proportional to 50,855.32, 76,282.96 and 19,690.57

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Solution

The fourth proportional to 50,855.32, 76,282.96 and 19,690.57 is: 29,535.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,855.32 : 76,282.96 = 19,690.57 : x
  2. Step 2: Convert to fraction form
    50,855.32/76,282.96 = 19,690.57/x
  3. Step 3: Cross multiply
    50,855.32x = 76,282.96 × 19,690.57
  4. Step 4: Simplify right side
    50,855.32x = 1,502,054,963.69
  5. Step 5: Solve for x
    x = 1,502,054,963.69/50,855.32
  6. Step 6: Final answer
    x = 29,535.85

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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.