Home / 51,286.98-70,776.69-30,060.90

Finding the Fourth Proportional to 51,286.98, 70,776.69 and 30,060.90

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Solution

The fourth proportional to 51,286.98, 70,776.69 and 30,060.90 is: 41,484.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,286.98 : 70,776.69 = 30,060.90 : x
  2. Step 2: Convert to fraction form
    51,286.98/70,776.69 = 30,060.90/x
  3. Step 3: Cross multiply
    51,286.98x = 70,776.69 × 30,060.90
  4. Step 4: Simplify right side
    51,286.98x = 2,127,611,000.42
  5. Step 5: Solve for x
    x = 2,127,611,000.42/51,286.98
  6. Step 6: Final answer
    x = 41,484.43

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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.