Home / 30,166.81-41,632.71-16,740.85

Finding the Fourth Proportional to 30,166.81, 41,632.71 and 16,740.85

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Solution

The fourth proportional to 30,166.81, 41,632.71 and 16,740.85 is: 23,103.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,166.81 : 41,632.71 = 16,740.85 : x
  2. Step 2: Convert to fraction form
    30,166.81/41,632.71 = 16,740.85/x
  3. Step 3: Cross multiply
    30,166.81x = 41,632.71 × 16,740.85
  4. Step 4: Simplify right side
    30,166.81x = 696,966,953.20
  5. Step 5: Solve for x
    x = 696,966,953.20/30,166.81
  6. Step 6: Final answer
    x = 23,103.77

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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.