Home / 71,482.45-107,189.04-21,553.24

Finding the Fourth Proportional to 71,482.45, 107,189.04 and 21,553.24

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Solution

The fourth proportional to 71,482.45, 107,189.04 and 21,553.24 is: 32,319.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,482.45 : 107,189.04 = 21,553.24 : x
  2. Step 2: Convert to fraction form
    71,482.45/107,189.04 = 21,553.24/x
  3. Step 3: Cross multiply
    71,482.45x = 107,189.04 × 21,553.24
  4. Step 4: Simplify right side
    71,482.45x = 2,310,271,104.49
  5. Step 5: Solve for x
    x = 2,310,271,104.49/71,482.45
  6. Step 6: Final answer
    x = 32,319.42

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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.