Home / 31,656.24-47,495.28-11,940.42

Finding the Fourth Proportional to 31,656.24, 47,495.28 and 11,940.42

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Solution

The fourth proportional to 31,656.24, 47,495.28 and 11,940.42 is: 17,914.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,656.24 : 47,495.28 = 11,940.42 : x
  2. Step 2: Convert to fraction form
    31,656.24/47,495.28 = 11,940.42/x
  3. Step 3: Cross multiply
    31,656.24x = 47,495.28 × 11,940.42
  4. Step 4: Simplify right side
    31,656.24x = 567,113,591.22
  5. Step 5: Solve for x
    x = 567,113,591.22/31,656.24
  6. Step 6: Final answer
    x = 17,914.75

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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.