Home / 51,588.11-71,206.36-30,379.68

Finding the Fourth Proportional to 51,588.11, 71,206.36 and 30,379.68

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Solution

The fourth proportional to 51,588.11, 71,206.36 and 30,379.68 is: 41,932.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,588.11 : 71,206.36 = 30,379.68 : x
  2. Step 2: Convert to fraction form
    51,588.11/71,206.36 = 30,379.68/x
  3. Step 3: Cross multiply
    51,588.11x = 71,206.36 × 30,379.68
  4. Step 4: Simplify right side
    51,588.11x = 2,163,226,354.82
  5. Step 5: Solve for x
    x = 2,163,226,354.82/51,588.11
  6. Step 6: Final answer
    x = 41,932.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.