Home / 20,449.45-30,674.18-7,300.11

Finding the Fourth Proportional to 20,449.45, 30,674.18 and 7,300.11

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Solution

The fourth proportional to 20,449.45, 30,674.18 and 7,300.11 is: 10,950.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,449.45 : 30,674.18 = 7,300.11 : x
  2. Step 2: Convert to fraction form
    20,449.45/30,674.18 = 7,300.11/x
  3. Step 3: Cross multiply
    20,449.45x = 30,674.18 × 7,300.11
  4. Step 4: Simplify right side
    20,449.45x = 223,924,888.16
  5. Step 5: Solve for x
    x = 223,924,888.16/20,449.45
  6. Step 6: Final answer
    x = 10,950.17

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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.