Home / 39,385.88-59,027.78-15,999.56

Finding the Fourth Proportional to 39,385.88, 59,027.78 and 15,999.56

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Solution

The fourth proportional to 39,385.88, 59,027.78 and 15,999.56 is: 23,978.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,385.88 : 59,027.78 = 15,999.56 : x
  2. Step 2: Convert to fraction form
    39,385.88/59,027.78 = 15,999.56/x
  3. Step 3: Cross multiply
    39,385.88x = 59,027.78 × 15,999.56
  4. Step 4: Simplify right side
    39,385.88x = 944,418,507.78
  5. Step 5: Solve for x
    x = 944,418,507.78/39,385.88
  6. Step 6: Final answer
    x = 23,978.61

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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.