Home / 38,784.40-58,121.92-17,672.56

Finding the Fourth Proportional to 38,784.40, 58,121.92 and 17,672.56

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Solution

The fourth proportional to 38,784.40, 58,121.92 and 17,672.56 is: 26,483.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,784.40 : 58,121.92 = 17,672.56 : x
  2. Step 2: Convert to fraction form
    38,784.40/58,121.92 = 17,672.56/x
  3. Step 3: Cross multiply
    38,784.40x = 58,121.92 × 17,672.56
  4. Step 4: Simplify right side
    38,784.40x = 1,027,163,118.52
  5. Step 5: Solve for x
    x = 1,027,163,118.52/38,784.40
  6. Step 6: Final answer
    x = 26,483.92

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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.