Home / 30,106.46-41,526.24-20,658.62

Finding the Fourth Proportional to 30,106.46, 41,526.24 and 20,658.62

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Solution

The fourth proportional to 30,106.46, 41,526.24 and 20,658.62 is: 28,494.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,106.46 : 41,526.24 = 20,658.62 : x
  2. Step 2: Convert to fraction form
    30,106.46/41,526.24 = 20,658.62/x
  3. Step 3: Cross multiply
    30,106.46x = 41,526.24 × 20,658.62
  4. Step 4: Simplify right side
    30,106.46x = 857,874,812.19
  5. Step 5: Solve for x
    x = 857,874,812.19/30,106.46
  6. Step 6: Final answer
    x = 28,494.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.