Home / 32,125.48-48,162.26-13,419.86

Finding the Fourth Proportional to 32,125.48, 48,162.26 and 13,419.86

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Solution

The fourth proportional to 32,125.48, 48,162.26 and 13,419.86 is: 20,118.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,125.48 : 48,162.26 = 13,419.86 : x
  2. Step 2: Convert to fraction form
    32,125.48/48,162.26 = 13,419.86/x
  3. Step 3: Cross multiply
    32,125.48x = 48,162.26 × 13,419.86
  4. Step 4: Simplify right side
    32,125.48x = 646,330,786.48
  5. Step 5: Solve for x
    x = 646,330,786.48/32,125.48
  6. Step 6: Final answer
    x = 20,118.95

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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.