Home / 53,318.67-79,951.20-17,767.41

Finding the Fourth Proportional to 53,318.67, 79,951.20 and 17,767.41

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Solution

The fourth proportional to 53,318.67, 79,951.20 and 17,767.41 is: 26,642.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,318.67 : 79,951.20 = 17,767.41 : x
  2. Step 2: Convert to fraction form
    53,318.67/79,951.20 = 17,767.41/x
  3. Step 3: Cross multiply
    53,318.67x = 79,951.20 × 17,767.41
  4. Step 4: Simplify right side
    53,318.67x = 1,420,525,750.39
  5. Step 5: Solve for x
    x = 1,420,525,750.39/53,318.67
  6. Step 6: Final answer
    x = 26,642.18

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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.