Home / 38,941.56-58,414.56-12,648.54

Finding the Fourth Proportional to 38,941.56, 58,414.56 and 12,648.54

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Solution

The fourth proportional to 38,941.56, 58,414.56 and 12,648.54 is: 18,973.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,941.56 : 58,414.56 = 12,648.54 : x
  2. Step 2: Convert to fraction form
    38,941.56/58,414.56 = 12,648.54/x
  3. Step 3: Cross multiply
    38,941.56x = 58,414.56 × 12,648.54
  4. Step 4: Simplify right side
    38,941.56x = 738,858,898.74
  5. Step 5: Solve for x
    x = 738,858,898.74/38,941.56
  6. Step 6: Final answer
    x = 18,973.53

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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.