Home / 31,599.85-43,614.72-19,668.01

Finding the Fourth Proportional to 31,599.85, 43,614.72 and 19,668.01

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Solution

The fourth proportional to 31,599.85, 43,614.72 and 19,668.01 is: 27,146.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,599.85 : 43,614.72 = 19,668.01 : x
  2. Step 2: Convert to fraction form
    31,599.85/43,614.72 = 19,668.01/x
  3. Step 3: Cross multiply
    31,599.85x = 43,614.72 × 19,668.01
  4. Step 4: Simplify right side
    31,599.85x = 857,814,749.11
  5. Step 5: Solve for x
    x = 857,814,749.11/31,599.85
  6. Step 6: Final answer
    x = 27,146.17

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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.