Home / 29,406.92-40,582.36-15,979.04

Finding the Fourth Proportional to 29,406.92, 40,582.36 and 15,979.04

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Solution

The fourth proportional to 29,406.92, 40,582.36 and 15,979.04 is: 22,051.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,406.92 : 40,582.36 = 15,979.04 : x
  2. Step 2: Convert to fraction form
    29,406.92/40,582.36 = 15,979.04/x
  3. Step 3: Cross multiply
    29,406.92x = 40,582.36 × 15,979.04
  4. Step 4: Simplify right side
    29,406.92x = 648,467,153.73
  5. Step 5: Solve for x
    x = 648,467,153.73/29,406.92
  6. Step 6: Final answer
    x = 22,051.52

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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.