Home / 50,371.30-75,556.50-18,780.29

Finding the Fourth Proportional to 50,371.30, 75,556.50 and 18,780.29

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Solution

The fourth proportional to 50,371.30, 75,556.50 and 18,780.29 is: 28,170.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,371.30 : 75,556.50 = 18,780.29 : x
  2. Step 2: Convert to fraction form
    50,371.30/75,556.50 = 18,780.29/x
  3. Step 3: Cross multiply
    50,371.30x = 75,556.50 × 18,780.29
  4. Step 4: Simplify right side
    50,371.30x = 1,418,972,816.51
  5. Step 5: Solve for x
    x = 1,418,972,816.51/50,371.30
  6. Step 6: Final answer
    x = 28,170.26

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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.