Home / 29,021.18-40,057.79-18,951.19

Finding the Fourth Proportional to 29,021.18, 40,057.79 and 18,951.19

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Solution

The fourth proportional to 29,021.18, 40,057.79 and 18,951.19 is: 26,158.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,021.18 : 40,057.79 = 18,951.19 : x
  2. Step 2: Convert to fraction form
    29,021.18/40,057.79 = 18,951.19/x
  3. Step 3: Cross multiply
    29,021.18x = 40,057.79 × 18,951.19
  4. Step 4: Simplify right side
    29,021.18x = 759,142,789.27
  5. Step 5: Solve for x
    x = 759,142,789.27/29,021.18
  6. Step 6: Final answer
    x = 26,158.23

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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.