Home / 31,841.78-43,942.48-19,097.01

Finding the Fourth Proportional to 31,841.78, 43,942.48 and 19,097.01

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Solution

The fourth proportional to 31,841.78, 43,942.48 and 19,097.01 is: 26,354.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,841.78 : 43,942.48 = 19,097.01 : x
  2. Step 2: Convert to fraction form
    31,841.78/43,942.48 = 19,097.01/x
  3. Step 3: Cross multiply
    31,841.78x = 43,942.48 × 19,097.01
  4. Step 4: Simplify right side
    31,841.78x = 839,169,932.24
  5. Step 5: Solve for x
    x = 839,169,932.24/31,841.78
  6. Step 6: Final answer
    x = 26,354.37

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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.