Home / 29,410.20-40,586.44-15,981.70

Finding the Fourth Proportional to 29,410.20, 40,586.44 and 15,981.70

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Solution

The fourth proportional to 29,410.20, 40,586.44 and 15,981.70 is: 22,054.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,410.20 : 40,586.44 = 15,981.70 : x
  2. Step 2: Convert to fraction form
    29,410.20/40,586.44 = 15,981.70/x
  3. Step 3: Cross multiply
    29,410.20x = 40,586.44 × 15,981.70
  4. Step 4: Simplify right side
    29,410.20x = 648,640,308.15
  5. Step 5: Solve for x
    x = 648,640,308.15/29,410.20
  6. Step 6: Final answer
    x = 22,054.94

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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.