Home / 38,040.84-57,074.80-16,978.96

Finding the Fourth Proportional to 38,040.84, 57,074.80 and 16,978.96

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Solution

The fourth proportional to 38,040.84, 57,074.80 and 16,978.96 is: 25,474.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,040.84 : 57,074.80 = 16,978.96 : x
  2. Step 2: Convert to fraction form
    38,040.84/57,074.80 = 16,978.96/x
  3. Step 3: Cross multiply
    38,040.84x = 57,074.80 × 16,978.96
  4. Step 4: Simplify right side
    38,040.84x = 969,070,746.21
  5. Step 5: Solve for x
    x = 969,070,746.21/38,040.84
  6. Step 6: Final answer
    x = 25,474.48

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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.