Home / 50,686.17-69,943.92-28,023.38

Finding the Fourth Proportional to 50,686.17, 69,943.92 and 28,023.38

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Solution

The fourth proportional to 50,686.17, 69,943.92 and 28,023.38 is: 38,670.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,686.17 : 69,943.92 = 28,023.38 : x
  2. Step 2: Convert to fraction form
    50,686.17/69,943.92 = 28,023.38/x
  3. Step 3: Cross multiply
    50,686.17x = 69,943.92 × 28,023.38
  4. Step 4: Simplify right side
    50,686.17x = 1,960,064,908.73
  5. Step 5: Solve for x
    x = 1,960,064,908.73/50,686.17
  6. Step 6: Final answer
    x = 38,670.61

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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.