Home / 50,687.04-69,950.55-28,025.61

Finding the Fourth Proportional to 50,687.04, 69,950.55 and 28,025.61

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Solution

The fourth proportional to 50,687.04, 69,950.55 and 28,025.61 is: 38,676.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,687.04 : 69,950.55 = 28,025.61 : x
  2. Step 2: Convert to fraction form
    50,687.04/69,950.55 = 28,025.61/x
  3. Step 3: Cross multiply
    50,687.04x = 69,950.55 × 28,025.61
  4. Step 4: Simplify right side
    50,687.04x = 1,960,406,833.59
  5. Step 5: Solve for x
    x = 1,960,406,833.59/50,687.04
  6. Step 6: Final answer
    x = 38,676.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.