Home / 31,274.46-46,909.26-12,553.74

Finding the Fourth Proportional to 31,274.46, 46,909.26 and 12,553.74

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Solution

The fourth proportional to 31,274.46, 46,909.26 and 12,553.74 is: 18,829.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,274.46 : 46,909.26 = 12,553.74 : x
  2. Step 2: Convert to fraction form
    31,274.46/46,909.26 = 12,553.74/x
  3. Step 3: Cross multiply
    31,274.46x = 46,909.26 × 12,553.74
  4. Step 4: Simplify right side
    31,274.46x = 588,886,653.63
  5. Step 5: Solve for x
    x = 588,886,653.63/31,274.46
  6. Step 6: Final answer
    x = 18,829.63

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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.