Home / 31,659.26-47,495.91-11,937.99

Finding the Fourth Proportional to 31,659.26, 47,495.91 and 11,937.99

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Solution

The fourth proportional to 31,659.26, 47,495.91 and 11,937.99 is: 17,909.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,659.26 : 47,495.91 = 11,937.99 : x
  2. Step 2: Convert to fraction form
    31,659.26/47,495.91 = 11,937.99/x
  3. Step 3: Cross multiply
    31,659.26x = 47,495.91 × 11,937.99
  4. Step 4: Simplify right side
    31,659.26x = 567,005,698.62
  5. Step 5: Solve for x
    x = 567,005,698.62/31,659.26
  6. Step 6: Final answer
    x = 17,909.63

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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.