Home / 49,690.79-68,575.10-28,474.16

Finding the Fourth Proportional to 49,690.79, 68,575.10 and 28,474.16

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Solution

The fourth proportional to 49,690.79, 68,575.10 and 28,474.16 is: 39,295.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,690.79 : 68,575.10 = 28,474.16 : x
  2. Step 2: Convert to fraction form
    49,690.79/68,575.10 = 28,474.16/x
  3. Step 3: Cross multiply
    49,690.79x = 68,575.10 × 28,474.16
  4. Step 4: Simplify right side
    49,690.79x = 1,952,617,884.17
  5. Step 5: Solve for x
    x = 1,952,617,884.17/49,690.79
  6. Step 6: Final answer
    x = 39,295.37

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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.