Home / 29,141.07-43,711.60-11,623.20

Finding the Fourth Proportional to 29,141.07, 43,711.60 and 11,623.20

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Solution

The fourth proportional to 29,141.07, 43,711.60 and 11,623.20 is: 17,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,141.07 : 43,711.60 = 11,623.20 : x
  2. Step 2: Convert to fraction form
    29,141.07/43,711.60 = 11,623.20/x
  3. Step 3: Cross multiply
    29,141.07x = 43,711.60 × 11,623.20
  4. Step 4: Simplify right side
    29,141.07x = 508,068,669.12
  5. Step 5: Solve for x
    x = 508,068,669.12/29,141.07
  6. Step 6: Final answer
    x = 17,434.80

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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.