Home / 50,342.72-75,568.78-20,377.58

Finding the Fourth Proportional to 50,342.72, 75,568.78 and 20,377.58

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Solution

The fourth proportional to 50,342.72, 75,568.78 and 20,377.58 is: 30,588.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,342.72 : 75,568.78 = 20,377.58 : x
  2. Step 2: Convert to fraction form
    50,342.72/75,568.78 = 20,377.58/x
  3. Step 3: Cross multiply
    50,342.72x = 75,568.78 × 20,377.58
  4. Step 4: Simplify right side
    50,342.72x = 1,539,908,859.95
  5. Step 5: Solve for x
    x = 1,539,908,859.95/50,342.72
  6. Step 6: Final answer
    x = 30,588.51

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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.