Home / 38,257.74-57,386.62-11,962.72

Finding the Fourth Proportional to 38,257.74, 57,386.62 and 11,962.72

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Solution

The fourth proportional to 38,257.74, 57,386.62 and 11,962.72 is: 17,944.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,257.74 : 57,386.62 = 11,962.72 : x
  2. Step 2: Convert to fraction form
    38,257.74/57,386.62 = 11,962.72/x
  3. Step 3: Cross multiply
    38,257.74x = 57,386.62 × 11,962.72
  4. Step 4: Simplify right side
    38,257.74x = 686,500,066.81
  5. Step 5: Solve for x
    x = 686,500,066.81/38,257.74
  6. Step 6: Final answer
    x = 17,944.08

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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.