Home / 49,596.12-68,422.84-31,686.48

Finding the Fourth Proportional to 49,596.12, 68,422.84 and 31,686.48

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Solution

The fourth proportional to 49,596.12, 68,422.84 and 31,686.48 is: 43,714.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,596.12 : 68,422.84 = 31,686.48 : x
  2. Step 2: Convert to fraction form
    49,596.12/68,422.84 = 31,686.48/x
  3. Step 3: Cross multiply
    49,596.12x = 68,422.84 × 31,686.48
  4. Step 4: Simplify right side
    49,596.12x = 2,168,078,951.20
  5. Step 5: Solve for x
    x = 2,168,078,951.20/49,596.12
  6. Step 6: Final answer
    x = 43,714.69

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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.