Home / 20,350.31-30,525.75-6,310.17

Finding the Fourth Proportional to 20,350.31, 30,525.75 and 6,310.17

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Solution

The fourth proportional to 20,350.31, 30,525.75 and 6,310.17 is: 9,465.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,350.31 : 30,525.75 = 6,310.17 : x
  2. Step 2: Convert to fraction form
    20,350.31/30,525.75 = 6,310.17/x
  3. Step 3: Cross multiply
    20,350.31x = 30,525.75 × 6,310.17
  4. Step 4: Simplify right side
    20,350.31x = 192,622,671.88
  5. Step 5: Solve for x
    x = 192,622,671.88/20,350.31
  6. Step 6: Final answer
    x = 9,465.35

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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.