Home / 20,048.31-30,073.46-5,257.26

Finding the Fourth Proportional to 20,048.31, 30,073.46 and 5,257.26

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Solution

The fourth proportional to 20,048.31, 30,073.46 and 5,257.26 is: 7,886.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,048.31 : 30,073.46 = 5,257.26 : x
  2. Step 2: Convert to fraction form
    20,048.31/30,073.46 = 5,257.26/x
  3. Step 3: Cross multiply
    20,048.31x = 30,073.46 × 5,257.26
  4. Step 4: Simplify right side
    20,048.31x = 158,103,972.03
  5. Step 5: Solve for x
    x = 158,103,972.03/20,048.31
  6. Step 6: Final answer
    x = 7,886.15

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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.