Home / 29,722.20-41,029.84-18,981.16

Finding the Fourth Proportional to 29,722.20, 41,029.84 and 18,981.16

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Solution

The fourth proportional to 29,722.20, 41,029.84 and 18,981.16 is: 26,202.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,722.20 : 41,029.84 = 18,981.16 : x
  2. Step 2: Convert to fraction form
    29,722.20/41,029.84 = 18,981.16/x
  3. Step 3: Cross multiply
    29,722.20x = 41,029.84 × 18,981.16
  4. Step 4: Simplify right side
    29,722.20x = 778,793,957.81
  5. Step 5: Solve for x
    x = 778,793,957.81/29,722.20
  6. Step 6: Final answer
    x = 26,202.43

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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.