Home / 20,525.40-30,796.20-8,043.30

Finding the Fourth Proportional to 20,525.40, 30,796.20 and 8,043.30

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Solution

The fourth proportional to 20,525.40, 30,796.20 and 8,043.30 is: 12,068.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,525.40 : 30,796.20 = 8,043.30 : x
  2. Step 2: Convert to fraction form
    20,525.40/30,796.20 = 8,043.30/x
  3. Step 3: Cross multiply
    20,525.40x = 30,796.20 × 8,043.30
  4. Step 4: Simplify right side
    20,525.40x = 247,703,075.46
  5. Step 5: Solve for x
    x = 247,703,075.46/20,525.40
  6. Step 6: Final answer
    x = 12,068.12

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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.