Home / 29,404.89-40,579.50-15,976.91

Finding the Fourth Proportional to 29,404.89, 40,579.50 and 15,976.91

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Solution

The fourth proportional to 29,404.89, 40,579.50 and 15,976.91 is: 22,048.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,404.89 : 40,579.50 = 15,976.91 : x
  2. Step 2: Convert to fraction form
    29,404.89/40,579.50 = 15,976.91/x
  3. Step 3: Cross multiply
    29,404.89x = 40,579.50 × 15,976.91
  4. Step 4: Simplify right side
    29,404.89x = 648,334,816.45
  5. Step 5: Solve for x
    x = 648,334,816.45/29,404.89
  6. Step 6: Final answer
    x = 22,048.54

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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.