Home / 39,131.24-58,700.36-11,051.57

Finding the Fourth Proportional to 39,131.24, 58,700.36 and 11,051.57

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Solution

The fourth proportional to 39,131.24, 58,700.36 and 11,051.57 is: 16,578.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,131.24 : 58,700.36 = 11,051.57 : x
  2. Step 2: Convert to fraction form
    39,131.24/58,700.36 = 11,051.57/x
  3. Step 3: Cross multiply
    39,131.24x = 58,700.36 × 11,051.57
  4. Step 4: Simplify right side
    39,131.24x = 648,731,311.95
  5. Step 5: Solve for x
    x = 648,731,311.95/39,131.24
  6. Step 6: Final answer
    x = 16,578.35

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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.