Home / 31,455.45-47,141.24-11,714.13

Finding the Fourth Proportional to 31,455.45, 47,141.24 and 11,714.13

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Solution

The fourth proportional to 31,455.45, 47,141.24 and 11,714.13 is: 17,555.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,455.45 : 47,141.24 = 11,714.13 : x
  2. Step 2: Convert to fraction form
    31,455.45/47,141.24 = 11,714.13/x
  3. Step 3: Cross multiply
    31,455.45x = 47,141.24 × 11,714.13
  4. Step 4: Simplify right side
    31,455.45x = 552,218,555.15
  5. Step 5: Solve for x
    x = 552,218,555.15/31,455.45
  6. Step 6: Final answer
    x = 17,555.58

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.