Home / 38,783.40-58,128.07-17,694.55

Finding the Fourth Proportional to 38,783.40, 58,128.07 and 17,694.55

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Solution

The fourth proportional to 38,783.40, 58,128.07 and 17,694.55 is: 26,520.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,783.40 : 58,128.07 = 17,694.55 : x
  2. Step 2: Convert to fraction form
    38,783.40/58,128.07 = 17,694.55/x
  3. Step 3: Cross multiply
    38,783.40x = 58,128.07 × 17,694.55
  4. Step 4: Simplify right side
    38,783.40x = 1,028,550,041.02
  5. Step 5: Solve for x
    x = 1,028,550,041.02/38,783.40
  6. Step 6: Final answer
    x = 26,520.37

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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.