Home / 38,858.88-58,238.40-16,666.56

Finding the Fourth Proportional to 38,858.88, 58,238.40 and 16,666.56

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Solution

The fourth proportional to 38,858.88, 58,238.40 and 16,666.56 is: 24,978.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,858.88 : 58,238.40 = 16,666.56 : x
  2. Step 2: Convert to fraction form
    38,858.88/58,238.40 = 16,666.56/x
  3. Step 3: Cross multiply
    38,858.88x = 58,238.40 × 16,666.56
  4. Step 4: Simplify right side
    38,858.88x = 970,633,787.90
  5. Step 5: Solve for x
    x = 970,633,787.90/38,858.88
  6. Step 6: Final answer
    x = 24,978.43

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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.