Home / 39,288.98-58,921.68-11,207.06

Finding the Fourth Proportional to 39,288.98, 58,921.68 and 11,207.06

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Solution

The fourth proportional to 39,288.98, 58,921.68 and 11,207.06 is: 16,807.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,288.98 : 58,921.68 = 11,207.06 : x
  2. Step 2: Convert to fraction form
    39,288.98/58,921.68 = 11,207.06/x
  3. Step 3: Cross multiply
    39,288.98x = 58,921.68 × 11,207.06
  4. Step 4: Simplify right side
    39,288.98x = 660,338,803.06
  5. Step 5: Solve for x
    x = 660,338,803.06/39,288.98
  6. Step 6: Final answer
    x = 16,807.23

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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.