Home / 31,447.60-47,169.26-11,717.08

Finding the Fourth Proportional to 31,447.60, 47,169.26 and 11,717.08

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Solution

The fourth proportional to 31,447.60, 47,169.26 and 11,717.08 is: 17,574.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,447.60 : 47,169.26 = 11,717.08 : x
  2. Step 2: Convert to fraction form
    31,447.60/47,169.26 = 11,717.08/x
  3. Step 3: Cross multiply
    31,447.60x = 47,169.26 × 11,717.08
  4. Step 4: Simplify right side
    31,447.60x = 552,685,992.96
  5. Step 5: Solve for x
    x = 552,685,992.96/31,447.60
  6. Step 6: Final answer
    x = 17,574.82

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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.