Home / 31,242.86-43,116.29-17,813.98

Finding the Fourth Proportional to 31,242.86, 43,116.29 and 17,813.98

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Solution

The fourth proportional to 31,242.86, 43,116.29 and 17,813.98 is: 24,583.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,242.86 : 43,116.29 = 17,813.98 : x
  2. Step 2: Convert to fraction form
    31,242.86/43,116.29 = 17,813.98/x
  3. Step 3: Cross multiply
    31,242.86x = 43,116.29 × 17,813.98
  4. Step 4: Simplify right side
    31,242.86x = 768,072,664.48
  5. Step 5: Solve for x
    x = 768,072,664.48/31,242.86
  6. Step 6: Final answer
    x = 24,583.94

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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.