Home / 31,713.61-47,573.55-11,728.35

Finding the Fourth Proportional to 31,713.61, 47,573.55 and 11,728.35

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Solution

The fourth proportional to 31,713.61, 47,573.55 and 11,728.35 is: 17,593.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,713.61 : 47,573.55 = 11,728.35 : x
  2. Step 2: Convert to fraction form
    31,713.61/47,573.55 = 11,728.35/x
  3. Step 3: Cross multiply
    31,713.61x = 47,573.55 × 11,728.35
  4. Step 4: Simplify right side
    31,713.61x = 557,959,007.27
  5. Step 5: Solve for x
    x = 557,959,007.27/31,713.61
  6. Step 6: Final answer
    x = 17,593.68

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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.