Home / 56,346.99-84,553.29-21,289.38

Finding the Fourth Proportional to 56,346.99, 84,553.29 and 21,289.38

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Solution

The fourth proportional to 56,346.99, 84,553.29 and 21,289.38 is: 31,946.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,346.99 : 84,553.29 = 21,289.38 : x
  2. Step 2: Convert to fraction form
    56,346.99/84,553.29 = 21,289.38/x
  3. Step 3: Cross multiply
    56,346.99x = 84,553.29 × 21,289.38
  4. Step 4: Simplify right side
    56,346.99x = 1,800,087,121.06
  5. Step 5: Solve for x
    x = 1,800,087,121.06/56,346.99
  6. Step 6: Final answer
    x = 31,946.46

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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.