Home / 31,179.51-43,026.09-17,750.72

Finding the Fourth Proportional to 31,179.51, 43,026.09 and 17,750.72

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Solution

The fourth proportional to 31,179.51, 43,026.09 and 17,750.72 is: 24,495.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,179.51 : 43,026.09 = 17,750.72 : x
  2. Step 2: Convert to fraction form
    31,179.51/43,026.09 = 17,750.72/x
  3. Step 3: Cross multiply
    31,179.51x = 43,026.09 × 17,750.72
  4. Step 4: Simplify right side
    31,179.51x = 763,743,861.15
  5. Step 5: Solve for x
    x = 763,743,861.15/31,179.51
  6. Step 6: Final answer
    x = 24,495.06

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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.