Home / 31,103.60-46,655.40-25,563.20

Finding the Fourth Proportional to 31,103.60, 46,655.40 and 25,563.20

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Solution

The fourth proportional to 31,103.60, 46,655.40 and 25,563.20 is: 38,344.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,103.60 : 46,655.40 = 25,563.20 : x
  2. Step 2: Convert to fraction form
    31,103.60/46,655.40 = 25,563.20/x
  3. Step 3: Cross multiply
    31,103.60x = 46,655.40 × 25,563.20
  4. Step 4: Simplify right side
    31,103.60x = 1,192,661,321.28
  5. Step 5: Solve for x
    x = 1,192,661,321.28/31,103.60
  6. Step 6: Final answer
    x = 38,344.80

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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.