Home / 31,110.48-46,656-13,575.60

Finding the Fourth Proportional to 31,110.48, 46,656 and 13,575.60

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Solution

The fourth proportional to 31,110.48, 46,656 and 13,575.60 is: 20,359.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,110.48 : 46,656 = 13,575.60 : x
  2. Step 2: Convert to fraction form
    31,110.48/46,656 = 13,575.60/x
  3. Step 3: Cross multiply
    31,110.48x = 46,656 × 13,575.60
  4. Step 4: Simplify right side
    31,110.48x = 633,383,193.60
  5. Step 5: Solve for x
    x = 633,383,193.60/31,110.48
  6. Step 6: Final answer
    x = 20,359.16

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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.