Home / 39,331.78-58,997.04-14,371.72

Finding the Fourth Proportional to 39,331.78, 58,997.04 and 14,371.72

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Solution

The fourth proportional to 39,331.78, 58,997.04 and 14,371.72 is: 21,557.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,331.78 : 58,997.04 = 14,371.72 : x
  2. Step 2: Convert to fraction form
    39,331.78/58,997.04 = 14,371.72/x
  3. Step 3: Cross multiply
    39,331.78x = 58,997.04 × 14,371.72
  4. Step 4: Simplify right side
    39,331.78x = 847,888,939.71
  5. Step 5: Solve for x
    x = 847,888,939.71/39,331.78
  6. Step 6: Final answer
    x = 21,557.35

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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.