Home / 39,558.46-54,650.01-25,978.72

Finding the Fourth Proportional to 39,558.46, 54,650.01 and 25,978.72

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Solution

The fourth proportional to 39,558.46, 54,650.01 and 25,978.72 is: 35,889.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,558.46 : 54,650.01 = 25,978.72 : x
  2. Step 2: Convert to fraction form
    39,558.46/54,650.01 = 25,978.72/x
  3. Step 3: Cross multiply
    39,558.46x = 54,650.01 × 25,978.72
  4. Step 4: Simplify right side
    39,558.46x = 1,419,737,307.79
  5. Step 5: Solve for x
    x = 1,419,737,307.79/39,558.46
  6. Step 6: Final answer
    x = 35,889.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.