Home / 51,470.64-71,008.68-31,311.36

Finding the Fourth Proportional to 51,470.64, 71,008.68 and 31,311.36

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Solution

The fourth proportional to 51,470.64, 71,008.68 and 31,311.36 is: 43,197.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,470.64 : 71,008.68 = 31,311.36 : x
  2. Step 2: Convert to fraction form
    51,470.64/71,008.68 = 31,311.36/x
  3. Step 3: Cross multiply
    51,470.64x = 71,008.68 × 31,311.36
  4. Step 4: Simplify right side
    51,470.64x = 2,223,378,342.60
  5. Step 5: Solve for x
    x = 2,223,378,342.60/51,470.64
  6. Step 6: Final answer
    x = 43,197.02

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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.