Home / 42,052.33-63,078.50-19,867.94

Finding the Fourth Proportional to 42,052.33, 63,078.50 and 19,867.94

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Solution

The fourth proportional to 42,052.33, 63,078.50 and 19,867.94 is: 29,801.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,052.33 : 63,078.50 = 19,867.94 : x
  2. Step 2: Convert to fraction form
    42,052.33/63,078.50 = 19,867.94/x
  3. Step 3: Cross multiply
    42,052.33x = 63,078.50 × 19,867.94
  4. Step 4: Simplify right side
    42,052.33x = 1,253,239,853.29
  5. Step 5: Solve for x
    x = 1,253,239,853.29/42,052.33
  6. Step 6: Final answer
    x = 29,801.91

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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.