Home / 39,007.30-58,517.02-12,705.92

Finding the Fourth Proportional to 39,007.30, 58,517.02 and 12,705.92

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Solution

The fourth proportional to 39,007.30, 58,517.02 and 12,705.92 is: 19,060.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,007.30 : 58,517.02 = 12,705.92 : x
  2. Step 2: Convert to fraction form
    39,007.30/58,517.02 = 12,705.92/x
  3. Step 3: Cross multiply
    39,007.30x = 58,517.02 × 12,705.92
  4. Step 4: Simplify right side
    39,007.30x = 743,512,574.76
  5. Step 5: Solve for x
    x = 743,512,574.76/39,007.30
  6. Step 6: Final answer
    x = 19,060.86

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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.