Home / 31,944.36-47,920.02-12,239.64

Finding the Fourth Proportional to 31,944.36, 47,920.02 and 12,239.64

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Solution

The fourth proportional to 31,944.36, 47,920.02 and 12,239.64 is: 18,360.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,944.36 : 47,920.02 = 12,239.64 : x
  2. Step 2: Convert to fraction form
    31,944.36/47,920.02 = 12,239.64/x
  3. Step 3: Cross multiply
    31,944.36x = 47,920.02 × 12,239.64
  4. Step 4: Simplify right side
    31,944.36x = 586,523,793.59
  5. Step 5: Solve for x
    x = 586,523,793.59/31,944.36
  6. Step 6: Final answer
    x = 18,360.79

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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.