Home / 38,512.10-57,768.15-17,776.10

Finding the Fourth Proportional to 38,512.10, 57,768.15 and 17,776.10

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Solution

The fourth proportional to 38,512.10, 57,768.15 and 17,776.10 is: 26,664.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,512.10 : 57,768.15 = 17,776.10 : x
  2. Step 2: Convert to fraction form
    38,512.10/57,768.15 = 17,776.10/x
  3. Step 3: Cross multiply
    38,512.10x = 57,768.15 × 17,776.10
  4. Step 4: Simplify right side
    38,512.10x = 1,026,892,411.22
  5. Step 5: Solve for x
    x = 1,026,892,411.22/38,512.10
  6. Step 6: Final answer
    x = 26,664.15

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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.