Home / 50,502.89-69,690.78-27,840.65

Finding the Fourth Proportional to 50,502.89, 69,690.78 and 27,840.65

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Solution

The fourth proportional to 50,502.89, 69,690.78 and 27,840.65 is: 38,418.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,502.89 : 69,690.78 = 27,840.65 : x
  2. Step 2: Convert to fraction form
    50,502.89/69,690.78 = 27,840.65/x
  3. Step 3: Cross multiply
    50,502.89x = 69,690.78 × 27,840.65
  4. Step 4: Simplify right side
    50,502.89x = 1,940,236,265.75
  5. Step 5: Solve for x
    x = 1,940,236,265.75/50,502.89
  6. Step 6: Final answer
    x = 38,418.32

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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.