Home / 29,407.88-40,582.92-15,979.02

Finding the Fourth Proportional to 29,407.88, 40,582.92 and 15,979.02

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Solution

The fourth proportional to 29,407.88, 40,582.92 and 15,979.02 is: 22,051.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,407.88 : 40,582.92 = 15,979.02 : x
  2. Step 2: Convert to fraction form
    29,407.88/40,582.92 = 15,979.02/x
  3. Step 3: Cross multiply
    29,407.88x = 40,582.92 × 15,979.02
  4. Step 4: Simplify right side
    29,407.88x = 648,475,290.34
  5. Step 5: Solve for x
    x = 648,475,290.34/29,407.88
  6. Step 6: Final answer
    x = 22,051.07

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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.