Home / 31,659.72-47,493.60-11,670.52

Finding the Fourth Proportional to 31,659.72, 47,493.60 and 11,670.52

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Solution

The fourth proportional to 31,659.72, 47,493.60 and 11,670.52 is: 17,507.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,659.72 : 47,493.60 = 11,670.52 : x
  2. Step 2: Convert to fraction form
    31,659.72/47,493.60 = 11,670.52/x
  3. Step 3: Cross multiply
    31,659.72x = 47,493.60 × 11,670.52
  4. Step 4: Simplify right side
    31,659.72x = 554,275,008.67
  5. Step 5: Solve for x
    x = 554,275,008.67/31,659.72
  6. Step 6: Final answer
    x = 17,507.26

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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.