Home / 30,343.45-45,521.67-10,622.65

Finding the Fourth Proportional to 30,343.45, 45,521.67 and 10,622.65

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Solution

The fourth proportional to 30,343.45, 45,521.67 and 10,622.65 is: 15,936.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,343.45 : 45,521.67 = 10,622.65 : x
  2. Step 2: Convert to fraction form
    30,343.45/45,521.67 = 10,622.65/x
  3. Step 3: Cross multiply
    30,343.45x = 45,521.67 × 10,622.65
  4. Step 4: Simplify right side
    30,343.45x = 483,560,540.22
  5. Step 5: Solve for x
    x = 483,560,540.22/30,343.45
  6. Step 6: Final answer
    x = 15,936.24

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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.