Home / 31,247.52-43,121.44-17,100.32

Finding the Fourth Proportional to 31,247.52, 43,121.44 and 17,100.32

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Solution

The fourth proportional to 31,247.52, 43,121.44 and 17,100.32 is: 23,598.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,247.52 : 43,121.44 = 17,100.32 : x
  2. Step 2: Convert to fraction form
    31,247.52/43,121.44 = 17,100.32/x
  3. Step 3: Cross multiply
    31,247.52x = 43,121.44 × 17,100.32
  4. Step 4: Simplify right side
    31,247.52x = 737,390,422.86
  5. Step 5: Solve for x
    x = 737,390,422.86/31,247.52
  6. Step 6: Final answer
    x = 23,598.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.