Home / 38,782.40-58,118.92-17,670.56

Finding the Fourth Proportional to 38,782.40, 58,118.92 and 17,670.56

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Solution

The fourth proportional to 38,782.40, 58,118.92 and 17,670.56 is: 26,480.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,782.40 : 58,118.92 = 17,670.56 : x
  2. Step 2: Convert to fraction form
    38,782.40/58,118.92 = 17,670.56/x
  3. Step 3: Cross multiply
    38,782.40x = 58,118.92 × 17,670.56
  4. Step 4: Simplify right side
    38,782.40x = 1,026,993,528.22
  5. Step 5: Solve for x
    x = 1,026,993,528.22/38,782.40
  6. Step 6: Final answer
    x = 26,480.92

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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.