Home / 50,421.38-69,583.18-27,761.48

Finding the Fourth Proportional to 50,421.38, 69,583.18 and 27,761.48

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Solution

The fourth proportional to 50,421.38, 69,583.18 and 27,761.48 is: 38,311.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,421.38 : 69,583.18 = 27,761.48 : x
  2. Step 2: Convert to fraction form
    50,421.38/69,583.18 = 27,761.48/x
  3. Step 3: Cross multiply
    50,421.38x = 69,583.18 × 27,761.48
  4. Step 4: Simplify right side
    50,421.38x = 1,931,732,059.91
  5. Step 5: Solve for x
    x = 1,931,732,059.91/50,421.38
  6. Step 6: Final answer
    x = 38,311.76

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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.