Home / 76,997.40-115,503.68-32,009.48

Finding the Fourth Proportional to 76,997.40, 115,503.68 and 32,009.48

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Solution

The fourth proportional to 76,997.40, 115,503.68 and 32,009.48 is: 48,017.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,997.40 : 115,503.68 = 32,009.48 : x
  2. Step 2: Convert to fraction form
    76,997.40/115,503.68 = 32,009.48/x
  3. Step 3: Cross multiply
    76,997.40x = 115,503.68 × 32,009.48
  4. Step 4: Simplify right side
    76,997.40x = 3,697,212,734.89
  5. Step 5: Solve for x
    x = 3,697,212,734.89/76,997.40
  6. Step 6: Final answer
    x = 48,017.37

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1.5x scale

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.