Home / 31,355.09-43,269.87-17,014.61

Finding the Fourth Proportional to 31,355.09, 43,269.87 and 17,014.61

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Solution

The fourth proportional to 31,355.09, 43,269.87 and 17,014.61 is: 23,480.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,355.09 : 43,269.87 = 17,014.61 : x
  2. Step 2: Convert to fraction form
    31,355.09/43,269.87 = 17,014.61/x
  3. Step 3: Cross multiply
    31,355.09x = 43,269.87 × 17,014.61
  4. Step 4: Simplify right side
    31,355.09x = 736,219,962.80
  5. Step 5: Solve for x
    x = 736,219,962.80/31,355.09
  6. Step 6: Final answer
    x = 23,480.08

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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.