Home / 29,407.31-40,582.79-15,979.33

Finding the Fourth Proportional to 29,407.31, 40,582.79 and 15,979.33

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Solution

The fourth proportional to 29,407.31, 40,582.79 and 15,979.33 is: 22,051.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,407.31 : 40,582.79 = 15,979.33 : x
  2. Step 2: Convert to fraction form
    29,407.31/40,582.79 = 15,979.33/x
  3. Step 3: Cross multiply
    29,407.31x = 40,582.79 × 15,979.33
  4. Step 4: Simplify right side
    29,407.31x = 648,485,793.73
  5. Step 5: Solve for x
    x = 648,485,793.73/29,407.31
  6. Step 6: Final answer
    x = 22,051.86

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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.