Home / 38,480.18-57,616.00-19,973.30

Finding the Fourth Proportional to 38,480.18, 57,616.00 and 19,973.30

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Solution

The fourth proportional to 38,480.18, 57,616.00 and 19,973.30 is: 29,905.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,480.18 : 57,616.00 = 19,973.30 : x
  2. Step 2: Convert to fraction form
    38,480.18/57,616.00 = 19,973.30/x
  3. Step 3: Cross multiply
    38,480.18x = 57,616.00 × 19,973.30
  4. Step 4: Simplify right side
    38,480.18x = 1,150,781,314.79
  5. Step 5: Solve for x
    x = 1,150,781,314.79/38,480.18
  6. Step 6: Final answer
    x = 29,905.82

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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.