Home / 31,501.26-47,251.98-21,610.56

Finding the Fourth Proportional to 31,501.26, 47,251.98 and 21,610.56

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Solution

The fourth proportional to 31,501.26, 47,251.98 and 21,610.56 is: 32,415.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,501.26 : 47,251.98 = 21,610.56 : x
  2. Step 2: Convert to fraction form
    31,501.26/47,251.98 = 21,610.56/x
  3. Step 3: Cross multiply
    31,501.26x = 47,251.98 × 21,610.56
  4. Step 4: Simplify right side
    31,501.26x = 1,021,141,748.91
  5. Step 5: Solve for x
    x = 1,021,141,748.91/31,501.26
  6. Step 6: Final answer
    x = 32,415.90

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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.