Home / 51,470.74-71,033.30-37,920.91

Finding the Fourth Proportional to 51,470.74, 71,033.30 and 37,920.91

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Solution

The fourth proportional to 51,470.74, 71,033.30 and 37,920.91 is: 52,333.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,470.74 : 71,033.30 = 37,920.91 : x
  2. Step 2: Convert to fraction form
    51,470.74/71,033.30 = 37,920.91/x
  3. Step 3: Cross multiply
    51,470.74x = 71,033.30 × 37,920.91
  4. Step 4: Simplify right side
    51,470.74x = 2,693,647,497.81
  5. Step 5: Solve for x
    x = 2,693,647,497.81/51,470.74
  6. Step 6: Final answer
    x = 52,333.57

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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.