Home / 51,939.83-71,660.99-31,775.69

Finding the Fourth Proportional to 51,939.83, 71,660.99 and 31,775.69

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Solution

The fourth proportional to 51,939.83, 71,660.99 and 31,775.69 is: 43,840.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,939.83 : 71,660.99 = 31,775.69 : x
  2. Step 2: Convert to fraction form
    51,939.83/71,660.99 = 31,775.69/x
  3. Step 3: Cross multiply
    51,939.83x = 71,660.99 × 31,775.69
  4. Step 4: Simplify right side
    51,939.83x = 2,277,077,661.92
  5. Step 5: Solve for x
    x = 2,277,077,661.92/51,939.83
  6. Step 6: Final answer
    x = 43,840.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.