Home / 76,535.47-114,803.06-20,375.59

Finding the Fourth Proportional to 76,535.47, 114,803.06 and 20,375.59

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Solution

The fourth proportional to 76,535.47, 114,803.06 and 20,375.59 is: 30,563.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,535.47 : 114,803.06 = 20,375.59 : x
  2. Step 2: Convert to fraction form
    76,535.47/114,803.06 = 20,375.59/x
  3. Step 3: Cross multiply
    76,535.47x = 114,803.06 × 20,375.59
  4. Step 4: Simplify right side
    76,535.47x = 2,339,179,907.68
  5. Step 5: Solve for x
    x = 2,339,179,907.68/76,535.47
  6. Step 6: Final answer
    x = 30,563.34

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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.