Home / 31,612.41-47,418.55-9,425.23

Finding the Fourth Proportional to 31,612.41, 47,418.55 and 9,425.23

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Solution

The fourth proportional to 31,612.41, 47,418.55 and 9,425.23 is: 14,137.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,612.41 : 47,418.55 = 9,425.23 : x
  2. Step 2: Convert to fraction form
    31,612.41/47,418.55 = 9,425.23/x
  3. Step 3: Cross multiply
    31,612.41x = 47,418.55 × 9,425.23
  4. Step 4: Simplify right side
    31,612.41x = 446,930,597.91
  5. Step 5: Solve for x
    x = 446,930,597.91/31,612.41
  6. Step 6: Final answer
    x = 14,137.82

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1.5x scale

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.