Home / 51,928.62-71,662.89-31,785.13

Finding the Fourth Proportional to 51,928.62, 71,662.89 and 31,785.13

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Solution

The fourth proportional to 51,928.62, 71,662.89 and 31,785.13 is: 43,864.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,928.62 : 71,662.89 = 31,785.13 : x
  2. Step 2: Convert to fraction form
    51,928.62/71,662.89 = 31,785.13/x
  3. Step 3: Cross multiply
    51,928.62x = 71,662.89 × 31,785.13
  4. Step 4: Simplify right side
    51,928.62x = 2,277,814,274.83
  5. Step 5: Solve for x
    x = 2,277,814,274.83/51,928.62
  6. Step 6: Final answer
    x = 43,864.33

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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.