Home / 58,453.24-87,658.28-21,003.24

Finding the Fourth Proportional to 58,453.24, 87,658.28 and 21,003.24

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Solution

The fourth proportional to 58,453.24, 87,658.28 and 21,003.24 is: 31,497.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,453.24 : 87,658.28 = 21,003.24 : x
  2. Step 2: Convert to fraction form
    58,453.24/87,658.28 = 21,003.24/x
  3. Step 3: Cross multiply
    58,453.24x = 87,658.28 × 21,003.24
  4. Step 4: Simplify right side
    58,453.24x = 1,841,107,892.83
  5. Step 5: Solve for x
    x = 1,841,107,892.83/58,453.24
  6. Step 6: Final answer
    x = 31,497.11

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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.