Home / 52,129.96-78,179.86-25,459.48

Finding the Fourth Proportional to 52,129.96, 78,179.86 and 25,459.48

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Solution

The fourth proportional to 52,129.96, 78,179.86 and 25,459.48 is: 38,181.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,129.96 : 78,179.86 = 25,459.48 : x
  2. Step 2: Convert to fraction form
    52,129.96/78,179.86 = 25,459.48/x
  3. Step 3: Cross multiply
    52,129.96x = 78,179.86 × 25,459.48
  4. Step 4: Simplify right side
    52,129.96x = 1,990,418,582.07
  5. Step 5: Solve for x
    x = 1,990,418,582.07/52,129.96
  6. Step 6: Final answer
    x = 38,181.86

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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.