Home / 48,165.24-72,256.89-21,871.86

Finding the Fourth Proportional to 48,165.24, 72,256.89 and 21,871.86

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Solution

The fourth proportional to 48,165.24, 72,256.89 and 21,871.86 is: 32,811.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,165.24 : 72,256.89 = 21,871.86 : x
  2. Step 2: Convert to fraction form
    48,165.24/72,256.89 = 21,871.86/x
  3. Step 3: Cross multiply
    48,165.24x = 72,256.89 × 21,871.86
  4. Step 4: Simplify right side
    48,165.24x = 1,580,392,582.12
  5. Step 5: Solve for x
    x = 1,580,392,582.12/48,165.24
  6. Step 6: Final answer
    x = 32,811.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.