Home / 31,955.35-47,939.94-12,233.91

Finding the Fourth Proportional to 31,955.35, 47,939.94 and 12,233.91

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Solution

The fourth proportional to 31,955.35, 47,939.94 and 12,233.91 is: 18,353.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,955.35 : 47,939.94 = 12,233.91 : x
  2. Step 2: Convert to fraction form
    31,955.35/47,939.94 = 12,233.91/x
  3. Step 3: Cross multiply
    31,955.35x = 47,939.94 × 12,233.91
  4. Step 4: Simplify right side
    31,955.35x = 586,492,777.47
  5. Step 5: Solve for x
    x = 586,492,777.47/31,955.35
  6. Step 6: Final answer
    x = 18,353.51

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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.