Home / 29,921.40-41,291.81-16,493.15

Finding the Fourth Proportional to 29,921.40, 41,291.81 and 16,493.15

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Solution

The fourth proportional to 29,921.40, 41,291.81 and 16,493.15 is: 22,760.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,921.40 : 41,291.81 = 16,493.15 : x
  2. Step 2: Convert to fraction form
    29,921.40/41,291.81 = 16,493.15/x
  3. Step 3: Cross multiply
    29,921.40x = 41,291.81 × 16,493.15
  4. Step 4: Simplify right side
    29,921.40x = 681,032,016.10
  5. Step 5: Solve for x
    x = 681,032,016.10/29,921.40
  6. Step 6: Final answer
    x = 22,760.70

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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.