Home / 38,042.96-57,034.32-19,305.76

Finding the Fourth Proportional to 38,042.96, 57,034.32 and 19,305.76

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Solution

The fourth proportional to 38,042.96, 57,034.32 and 19,305.76 is: 28,943.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,042.96 : 57,034.32 = 19,305.76 : x
  2. Step 2: Convert to fraction form
    38,042.96/57,034.32 = 19,305.76/x
  3. Step 3: Cross multiply
    38,042.96x = 57,034.32 × 19,305.76
  4. Step 4: Simplify right side
    38,042.96x = 1,101,090,893.68
  5. Step 5: Solve for x
    x = 1,101,090,893.68/38,042.96
  6. Step 6: Final answer
    x = 28,943.35

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1.5x scale

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.