Home / 31,904.88-47,851.56-11,134.32

Finding the Fourth Proportional to 31,904.88, 47,851.56 and 11,134.32

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Solution

The fourth proportional to 31,904.88, 47,851.56 and 11,134.32 is: 16,699.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,904.88 : 47,851.56 = 11,134.32 : x
  2. Step 2: Convert to fraction form
    31,904.88/47,851.56 = 11,134.32/x
  3. Step 3: Cross multiply
    31,904.88x = 47,851.56 × 11,134.32
  4. Step 4: Simplify right side
    31,904.88x = 532,794,581.54
  5. Step 5: Solve for x
    x = 532,794,581.54/31,904.88
  6. Step 6: Final answer
    x = 16,699.47

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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.