Home / 51,438.50-77,157.19-39,034.70

Finding the Fourth Proportional to 51,438.50, 77,157.19 and 39,034.70

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Solution

The fourth proportional to 51,438.50, 77,157.19 and 39,034.70 is: 58,551.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,438.50 : 77,157.19 = 39,034.70 : x
  2. Step 2: Convert to fraction form
    51,438.50/77,157.19 = 39,034.70/x
  3. Step 3: Cross multiply
    51,438.50x = 77,157.19 × 39,034.70
  4. Step 4: Simplify right side
    51,438.50x = 3,011,807,764.49
  5. Step 5: Solve for x
    x = 3,011,807,764.49/51,438.50
  6. Step 6: Final answer
    x = 58,551.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.