Home / 31,605.02-47,414.60-11,883.75

Finding the Fourth Proportional to 31,605.02, 47,414.60 and 11,883.75

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Solution

The fourth proportional to 31,605.02, 47,414.60 and 11,883.75 is: 17,828.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,605.02 : 47,414.60 = 11,883.75 : x
  2. Step 2: Convert to fraction form
    31,605.02/47,414.60 = 11,883.75/x
  3. Step 3: Cross multiply
    31,605.02x = 47,414.60 × 11,883.75
  4. Step 4: Simplify right side
    31,605.02x = 563,463,252.75
  5. Step 5: Solve for x
    x = 563,463,252.75/31,605.02
  6. Step 6: Final answer
    x = 17,828.28

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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.