Home / 38,111.41-57,172.62-11,818.27

Finding the Fourth Proportional to 38,111.41, 57,172.62 and 11,818.27

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Solution

The fourth proportional to 38,111.41, 57,172.62 and 11,818.27 is: 17,729.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,111.41 : 57,172.62 = 11,818.27 : x
  2. Step 2: Convert to fraction form
    38,111.41/57,172.62 = 11,818.27/x
  3. Step 3: Cross multiply
    38,111.41x = 57,172.62 × 11,818.27
  4. Step 4: Simplify right side
    38,111.41x = 675,681,459.77
  5. Step 5: Solve for x
    x = 675,681,459.77/38,111.41
  6. Step 6: Final answer
    x = 17,729.11

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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.