Home / 31,618.08-47,429.82-8,244.50

Finding the Fourth Proportional to 31,618.08, 47,429.82 and 8,244.50

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Solution

The fourth proportional to 31,618.08, 47,429.82 and 8,244.50 is: 12,367.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,618.08 : 47,429.82 = 8,244.50 : x
  2. Step 2: Convert to fraction form
    31,618.08/47,429.82 = 8,244.50/x
  3. Step 3: Cross multiply
    31,618.08x = 47,429.82 × 8,244.50
  4. Step 4: Simplify right side
    31,618.08x = 391,035,150.99
  5. Step 5: Solve for x
    x = 391,035,150.99/31,618.08
  6. Step 6: Final answer
    x = 12,367.45

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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.