Home / 75,037.81-112,556.88-30,664.56

Finding the Fourth Proportional to 75,037.81, 112,556.88 and 30,664.56

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Solution

The fourth proportional to 75,037.81, 112,556.88 and 30,664.56 is: 45,996.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,037.81 : 112,556.88 = 30,664.56 : x
  2. Step 2: Convert to fraction form
    75,037.81/112,556.88 = 30,664.56/x
  3. Step 3: Cross multiply
    75,037.81x = 112,556.88 × 30,664.56
  4. Step 4: Simplify right side
    75,037.81x = 3,451,507,200.17
  5. Step 5: Solve for x
    x = 3,451,507,200.17/75,037.81
  6. Step 6: Final answer
    x = 45,996.91

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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.