Home / 38,454.46-57,682.17-12,161.50

Finding the Fourth Proportional to 38,454.46, 57,682.17 and 12,161.50

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Solution

The fourth proportional to 38,454.46, 57,682.17 and 12,161.50 is: 18,242.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,454.46 : 57,682.17 = 12,161.50 : x
  2. Step 2: Convert to fraction form
    38,454.46/57,682.17 = 12,161.50/x
  3. Step 3: Cross multiply
    38,454.46x = 57,682.17 × 12,161.50
  4. Step 4: Simplify right side
    38,454.46x = 701,501,710.46
  5. Step 5: Solve for x
    x = 701,501,710.46/38,454.46
  6. Step 6: Final answer
    x = 18,242.40

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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.