Home / 39,072.94-58,612.11-15,699.40

Finding the Fourth Proportional to 39,072.94, 58,612.11 and 15,699.40

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Solution

The fourth proportional to 39,072.94, 58,612.11 and 15,699.40 is: 23,550.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,072.94 : 58,612.11 = 15,699.40 : x
  2. Step 2: Convert to fraction form
    39,072.94/58,612.11 = 15,699.40/x
  3. Step 3: Cross multiply
    39,072.94x = 58,612.11 × 15,699.40
  4. Step 4: Simplify right side
    39,072.94x = 920,174,959.73
  5. Step 5: Solve for x
    x = 920,174,959.73/39,072.94
  6. Step 6: Final answer
    x = 23,550.18

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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.