Home / 31,537.21-47,306-9,350.78

Finding the Fourth Proportional to 31,537.21, 47,306 and 9,350.78

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Solution

The fourth proportional to 31,537.21, 47,306 and 9,350.78 is: 14,026.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,537.21 : 47,306 = 9,350.78 : x
  2. Step 2: Convert to fraction form
    31,537.21/47,306 = 9,350.78/x
  3. Step 3: Cross multiply
    31,537.21x = 47,306 × 9,350.78
  4. Step 4: Simplify right side
    31,537.21x = 442,347,998.68
  5. Step 5: Solve for x
    x = 442,347,998.68/31,537.21
  6. Step 6: Final answer
    x = 14,026.22

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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.