Home / 75,315.85-112,975.41-27,288.74

Finding the Fourth Proportional to 75,315.85, 112,975.41 and 27,288.74

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Solution

The fourth proportional to 75,315.85, 112,975.41 and 27,288.74 is: 40,933.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,315.85 : 112,975.41 = 27,288.74 : x
  2. Step 2: Convert to fraction form
    75,315.85/112,975.41 = 27,288.74/x
  3. Step 3: Cross multiply
    75,315.85x = 112,975.41 × 27,288.74
  4. Step 4: Simplify right side
    75,315.85x = 3,082,956,769.99
  5. Step 5: Solve for x
    x = 3,082,956,769.99/75,315.85
  6. Step 6: Final answer
    x = 40,933.71

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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.