Home / 31,918.10-44,045.78-17,770.64

Finding the Fourth Proportional to 31,918.10, 44,045.78 and 17,770.64

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Solution

The fourth proportional to 31,918.10, 44,045.78 and 17,770.64 is: 24,522.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,918.10 : 44,045.78 = 17,770.64 : x
  2. Step 2: Convert to fraction form
    31,918.10/44,045.78 = 17,770.64/x
  3. Step 3: Cross multiply
    31,918.10x = 44,045.78 × 17,770.64
  4. Step 4: Simplify right side
    31,918.10x = 782,721,699.90
  5. Step 5: Solve for x
    x = 782,721,699.90/31,918.10
  6. Step 6: Final answer
    x = 24,522.82

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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.