Home / 50,277.58-75,387.48-20,715.82

Finding the Fourth Proportional to 50,277.58, 75,387.48 and 20,715.82

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Solution

The fourth proportional to 50,277.58, 75,387.48 and 20,715.82 is: 31,061.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,277.58 : 75,387.48 = 20,715.82 : x
  2. Step 2: Convert to fraction form
    50,277.58/75,387.48 = 20,715.82/x
  3. Step 3: Cross multiply
    50,277.58x = 75,387.48 × 20,715.82
  4. Step 4: Simplify right side
    50,277.58x = 1,561,713,465.93
  5. Step 5: Solve for x
    x = 1,561,713,465.93/50,277.58
  6. Step 6: Final answer
    x = 31,061.83

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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.