Home / 38,411.69-57,617.53-12,118.48

Finding the Fourth Proportional to 38,411.69, 57,617.53 and 12,118.48

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Solution

The fourth proportional to 38,411.69, 57,617.53 and 12,118.48 is: 18,177.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,411.69 : 57,617.53 = 12,118.48 : x
  2. Step 2: Convert to fraction form
    38,411.69/57,617.53 = 12,118.48/x
  3. Step 3: Cross multiply
    38,411.69x = 57,617.53 × 12,118.48
  4. Step 4: Simplify right side
    38,411.69x = 698,236,680.32
  5. Step 5: Solve for x
    x = 698,236,680.32/38,411.69
  6. Step 6: Final answer
    x = 18,177.72

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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.