Home / 50,855.06-76,282.61-19,690.31

Finding the Fourth Proportional to 50,855.06, 76,282.61 and 19,690.31

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Solution

The fourth proportional to 50,855.06, 76,282.61 and 19,690.31 is: 29,535.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,855.06 : 76,282.61 = 19,690.31 : x
  2. Step 2: Convert to fraction form
    50,855.06/76,282.61 = 19,690.31/x
  3. Step 3: Cross multiply
    50,855.06x = 76,282.61 × 19,690.31
  4. Step 4: Simplify right side
    50,855.06x = 1,502,028,330.76
  5. Step 5: Solve for x
    x = 1,502,028,330.76/50,855.06
  6. Step 6: Final answer
    x = 29,535.47

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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.