Home / 31,486.41-47,234.73-9,302.02

Finding the Fourth Proportional to 31,486.41, 47,234.73 and 9,302.02

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Solution

The fourth proportional to 31,486.41, 47,234.73 and 9,302.02 is: 13,954.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,486.41 : 47,234.73 = 9,302.02 : x
  2. Step 2: Convert to fraction form
    31,486.41/47,234.73 = 9,302.02/x
  3. Step 3: Cross multiply
    31,486.41x = 47,234.73 × 9,302.02
  4. Step 4: Simplify right side
    31,486.41x = 439,378,403.15
  5. Step 5: Solve for x
    x = 439,378,403.15/31,486.41
  6. Step 6: Final answer
    x = 13,954.54

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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.