Home / 38,405.52-57,608.28-12,112.92

Finding the Fourth Proportional to 38,405.52, 57,608.28 and 12,112.92

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Solution

The fourth proportional to 38,405.52, 57,608.28 and 12,112.92 is: 18,169.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,405.52 : 57,608.28 = 12,112.92 : x
  2. Step 2: Convert to fraction form
    38,405.52/57,608.28 = 12,112.92/x
  3. Step 3: Cross multiply
    38,405.52x = 57,608.28 × 12,112.92
  4. Step 4: Simplify right side
    38,405.52x = 697,804,486.98
  5. Step 5: Solve for x
    x = 697,804,486.98/38,405.52
  6. Step 6: Final answer
    x = 18,169.38

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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.