Home / 38,116.78-57,180.70-11,823.64

Finding the Fourth Proportional to 38,116.78, 57,180.70 and 11,823.64

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Solution

The fourth proportional to 38,116.78, 57,180.70 and 11,823.64 is: 17,737.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,116.78 : 57,180.70 = 11,823.64 : x
  2. Step 2: Convert to fraction form
    38,116.78/57,180.70 = 11,823.64/x
  3. Step 3: Cross multiply
    38,116.78x = 57,180.70 × 11,823.64
  4. Step 4: Simplify right side
    38,116.78x = 676,084,011.75
  5. Step 5: Solve for x
    x = 676,084,011.75/38,116.78
  6. Step 6: Final answer
    x = 17,737.18

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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.