Home / 51,620.85-71,261.81-34,618.91

Finding the Fourth Proportional to 51,620.85, 71,261.81 and 34,618.91

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Solution

The fourth proportional to 51,620.85, 71,261.81 and 34,618.91 is: 47,790.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,620.85 : 71,261.81 = 34,618.91 : x
  2. Step 2: Convert to fraction form
    51,620.85/71,261.81 = 34,618.91/x
  3. Step 3: Cross multiply
    51,620.85x = 71,261.81 × 34,618.91
  4. Step 4: Simplify right side
    51,620.85x = 2,467,005,657.42
  5. Step 5: Solve for x
    x = 2,467,005,657.42/51,620.85
  6. Step 6: Final answer
    x = 47,790.88

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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.