Home / 51,550.85-71,140.05-31,407.73

Finding the Fourth Proportional to 51,550.85, 71,140.05 and 31,407.73

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Solution

The fourth proportional to 51,550.85, 71,140.05 and 31,407.73 is: 43,342.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,550.85 : 71,140.05 = 31,407.73 : x
  2. Step 2: Convert to fraction form
    51,550.85/71,140.05 = 31,407.73/x
  3. Step 3: Cross multiply
    51,550.85x = 71,140.05 × 31,407.73
  4. Step 4: Simplify right side
    51,550.85x = 2,234,347,304.74
  5. Step 5: Solve for x
    x = 2,234,347,304.74/51,550.85
  6. Step 6: Final answer
    x = 43,342.59

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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.