Home / 30,081.71-41,513.13-16,654.21

Finding the Fourth Proportional to 30,081.71, 41,513.13 and 16,654.21

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Solution

The fourth proportional to 30,081.71, 41,513.13 and 16,654.21 is: 22,983.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,081.71 : 41,513.13 = 16,654.21 : x
  2. Step 2: Convert to fraction form
    30,081.71/41,513.13 = 16,654.21/x
  3. Step 3: Cross multiply
    30,081.71x = 41,513.13 × 16,654.21
  4. Step 4: Simplify right side
    30,081.71x = 691,368,280.99
  5. Step 5: Solve for x
    x = 691,368,280.99/30,081.71
  6. Step 6: Final answer
    x = 22,983.01

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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.