Home / 50,786.34-70,052.49-31,890.66

Finding the Fourth Proportional to 50,786.34, 70,052.49 and 31,890.66

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Solution

The fourth proportional to 50,786.34, 70,052.49 and 31,890.66 is: 43,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,786.34 : 70,052.49 = 31,890.66 : x
  2. Step 2: Convert to fraction form
    50,786.34/70,052.49 = 31,890.66/x
  3. Step 3: Cross multiply
    50,786.34x = 70,052.49 × 31,890.66
  4. Step 4: Simplify right side
    50,786.34x = 2,234,020,140.74
  5. Step 5: Solve for x
    x = 2,234,020,140.74/50,786.34
  6. Step 6: Final answer
    x = 43,988.60

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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.