Home / 31,467.14-47,186.13-11,731.49

Finding the Fourth Proportional to 31,467.14, 47,186.13 and 11,731.49

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Solution

The fourth proportional to 31,467.14, 47,186.13 and 11,731.49 is: 17,591.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,467.14 : 47,186.13 = 11,731.49 : x
  2. Step 2: Convert to fraction form
    31,467.14/47,186.13 = 11,731.49/x
  3. Step 3: Cross multiply
    31,467.14x = 47,186.13 × 11,731.49
  4. Step 4: Simplify right side
    31,467.14x = 553,563,612.23
  5. Step 5: Solve for x
    x = 553,563,612.23/31,467.14
  6. Step 6: Final answer
    x = 17,591.80

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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.