Home / 31,262.63-43,146.54-17,830.80

Finding the Fourth Proportional to 31,262.63, 43,146.54 and 17,830.80

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Solution

The fourth proportional to 31,262.63, 43,146.54 and 17,830.80 is: 24,608.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,262.63 : 43,146.54 = 17,830.80 : x
  2. Step 2: Convert to fraction form
    31,262.63/43,146.54 = 17,830.80/x
  3. Step 3: Cross multiply
    31,262.63x = 43,146.54 × 17,830.80
  4. Step 4: Simplify right side
    31,262.63x = 769,337,420.37
  5. Step 5: Solve for x
    x = 769,337,420.37/31,262.63
  6. Step 6: Final answer
    x = 24,608.85

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1.5x scale

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.