Home / 30,166.72-41,632.35-16,740.51

Finding the Fourth Proportional to 30,166.72, 41,632.35 and 16,740.51

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Solution

The fourth proportional to 30,166.72, 41,632.35 and 16,740.51 is: 23,103.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,166.72 : 41,632.35 = 16,740.51 : x
  2. Step 2: Convert to fraction form
    30,166.72/41,632.35 = 16,740.51/x
  3. Step 3: Cross multiply
    30,166.72x = 41,632.35 × 16,740.51
  4. Step 4: Simplify right side
    30,166.72x = 696,946,552.60
  5. Step 5: Solve for x
    x = 696,946,552.60/30,166.72
  6. Step 6: Final answer
    x = 23,103.16

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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.