Home / 50,207.31-75,288.83-19,020.69

Finding the Fourth Proportional to 50,207.31, 75,288.83 and 19,020.69

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Solution

The fourth proportional to 50,207.31, 75,288.83 and 19,020.69 is: 28,522.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,207.31 : 75,288.83 = 19,020.69 : x
  2. Step 2: Convert to fraction form
    50,207.31/75,288.83 = 19,020.69/x
  3. Step 3: Cross multiply
    50,207.31x = 75,288.83 × 19,020.69
  4. Step 4: Simplify right side
    50,207.31x = 1,432,045,400.79
  5. Step 5: Solve for x
    x = 1,432,045,400.79/50,207.31
  6. Step 6: Final answer
    x = 28,522.65

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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.