Home / 75,736.37-113,604.55-20,332.37

Finding the Fourth Proportional to 75,736.37, 113,604.55 and 20,332.37

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Solution

The fourth proportional to 75,736.37, 113,604.55 and 20,332.37 is: 30,498.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,736.37 : 113,604.55 = 20,332.37 : x
  2. Step 2: Convert to fraction form
    75,736.37/113,604.55 = 20,332.37/x
  3. Step 3: Cross multiply
    75,736.37x = 113,604.55 × 20,332.37
  4. Step 4: Simplify right side
    75,736.37x = 2,309,849,176.26
  5. Step 5: Solve for x
    x = 2,309,849,176.26/75,736.37
  6. Step 6: Final answer
    x = 30,498.55

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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.