Home / 51,934.32-71,674.68-31,803.36

Finding the Fourth Proportional to 51,934.32, 71,674.68 and 31,803.36

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Solution

The fourth proportional to 51,934.32, 71,674.68 and 31,803.36 is: 43,891.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,934.32 : 71,674.68 = 31,803.36 : x
  2. Step 2: Convert to fraction form
    51,934.32/71,674.68 = 31,803.36/x
  3. Step 3: Cross multiply
    51,934.32x = 71,674.68 × 31,803.36
  4. Step 4: Simplify right side
    51,934.32x = 2,279,495,650.92
  5. Step 5: Solve for x
    x = 2,279,495,650.92/51,934.32
  6. Step 6: Final answer
    x = 43,891.89

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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.