Home / 58,186.98-87,287.32-20,752.38

Finding the Fourth Proportional to 58,186.98, 87,287.32 and 20,752.38

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Solution

The fourth proportional to 58,186.98, 87,287.32 and 20,752.38 is: 31,131.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,186.98 : 87,287.32 = 20,752.38 : x
  2. Step 2: Convert to fraction form
    58,186.98/87,287.32 = 20,752.38/x
  3. Step 3: Cross multiply
    58,186.98x = 87,287.32 × 20,752.38
  4. Step 4: Simplify right side
    58,186.98x = 1,811,419,633.82
  5. Step 5: Solve for x
    x = 1,811,419,633.82/58,186.98
  6. Step 6: Final answer
    x = 31,131.01

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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.