Home / 47,418.30-65,438.91-31,299.77

Finding the Fourth Proportional to 47,418.30, 65,438.91 and 31,299.77

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Solution

The fourth proportional to 47,418.30, 65,438.91 and 31,299.77 is: 43,194.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,418.30 : 65,438.91 = 31,299.77 : x
  2. Step 2: Convert to fraction form
    47,418.30/65,438.91 = 31,299.77/x
  3. Step 3: Cross multiply
    47,418.30x = 65,438.91 × 31,299.77
  4. Step 4: Simplify right side
    47,418.30x = 2,048,222,715.58
  5. Step 5: Solve for x
    x = 2,048,222,715.58/47,418.30
  6. Step 6: Final answer
    x = 43,194.77

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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.