Home / 31,717.44-47,581.92-14,186.88

Finding the Fourth Proportional to 31,717.44, 47,581.92 and 14,186.88

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Solution

The fourth proportional to 31,717.44, 47,581.92 and 14,186.88 is: 21,282.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,717.44 : 47,581.92 = 14,186.88 : x
  2. Step 2: Convert to fraction form
    31,717.44/47,581.92 = 14,186.88/x
  3. Step 3: Cross multiply
    31,717.44x = 47,581.92 × 14,186.88
  4. Step 4: Simplify right side
    31,717.44x = 675,038,989.21
  5. Step 5: Solve for x
    x = 675,038,989.21/31,717.44
  6. Step 6: Final answer
    x = 21,282.90

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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.