Home / 31,512.52-47,239.50-11,776.06

Finding the Fourth Proportional to 31,512.52, 47,239.50 and 11,776.06

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Solution

The fourth proportional to 31,512.52, 47,239.50 and 11,776.06 is: 17,653.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,512.52 : 47,239.50 = 11,776.06 : x
  2. Step 2: Convert to fraction form
    31,512.52/47,239.50 = 11,776.06/x
  3. Step 3: Cross multiply
    31,512.52x = 47,239.50 × 11,776.06
  4. Step 4: Simplify right side
    31,512.52x = 556,295,186.37
  5. Step 5: Solve for x
    x = 556,295,186.37/31,512.52
  6. Step 6: Final answer
    x = 17,653.15

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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.