Home / 64,775.12-97,149.72-18,015.44

Finding the Fourth Proportional to 64,775.12, 97,149.72 and 18,015.44

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Solution

The fourth proportional to 64,775.12, 97,149.72 and 18,015.44 is: 27,019.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,775.12 : 97,149.72 = 18,015.44 : x
  2. Step 2: Convert to fraction form
    64,775.12/97,149.72 = 18,015.44/x
  3. Step 3: Cross multiply
    64,775.12x = 97,149.72 × 18,015.44
  4. Step 4: Simplify right side
    64,775.12x = 1,750,194,951.68
  5. Step 5: Solve for x
    x = 1,750,194,951.68/64,775.12
  6. Step 6: Final answer
    x = 27,019.56

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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.