Home / 30,156.71-41,615.95-16,727.61

Finding the Fourth Proportional to 30,156.71, 41,615.95 and 16,727.61

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Solution

The fourth proportional to 30,156.71, 41,615.95 and 16,727.61 is: 23,083.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,156.71 : 41,615.95 = 16,727.61 : x
  2. Step 2: Convert to fraction form
    30,156.71/41,615.95 = 16,727.61/x
  3. Step 3: Cross multiply
    30,156.71x = 41,615.95 × 16,727.61
  4. Step 4: Simplify right side
    30,156.71x = 696,135,574.03
  5. Step 5: Solve for x
    x = 696,135,574.03/30,156.71
  6. Step 6: Final answer
    x = 23,083.94

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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.