Home / 38,411.25-57,616.86-12,118.02

Finding the Fourth Proportional to 38,411.25, 57,616.86 and 12,118.02

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Solution

The fourth proportional to 38,411.25, 57,616.86 and 12,118.02 is: 18,177.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,411.25 : 57,616.86 = 12,118.02 : x
  2. Step 2: Convert to fraction form
    38,411.25/57,616.86 = 12,118.02/x
  3. Step 3: Cross multiply
    38,411.25x = 57,616.86 × 12,118.02
  4. Step 4: Simplify right side
    38,411.25x = 698,202,261.82
  5. Step 5: Solve for x
    x = 698,202,261.82/38,411.25
  6. Step 6: Final answer
    x = 18,177.03

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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.