Home / 31,165.11-46,747.68-14,536.77

Finding the Fourth Proportional to 31,165.11, 46,747.68 and 14,536.77

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Solution

The fourth proportional to 31,165.11, 46,747.68 and 14,536.77 is: 21,805.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,165.11 : 46,747.68 = 14,536.77 : x
  2. Step 2: Convert to fraction form
    31,165.11/46,747.68 = 14,536.77/x
  3. Step 3: Cross multiply
    31,165.11x = 46,747.68 × 14,536.77
  4. Step 4: Simplify right side
    31,165.11x = 679,560,272.19
  5. Step 5: Solve for x
    x = 679,560,272.19/31,165.11
  6. Step 6: Final answer
    x = 21,805.16

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Why These Related Problems?

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