Home / 31,383.22-47,070.64-11,659.09

Finding the Fourth Proportional to 31,383.22, 47,070.64 and 11,659.09

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Solution

The fourth proportional to 31,383.22, 47,070.64 and 11,659.09 is: 17,487.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,383.22 : 47,070.64 = 11,659.09 : x
  2. Step 2: Convert to fraction form
    31,383.22/47,070.64 = 11,659.09/x
  3. Step 3: Cross multiply
    31,383.22x = 47,070.64 × 11,659.09
  4. Step 4: Simplify right side
    31,383.22x = 548,800,828.12
  5. Step 5: Solve for x
    x = 548,800,828.12/31,383.22
  6. Step 6: Final answer
    x = 17,487.08

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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.