Home / 51,768.16-77,690.82-38,471.80

Finding the Fourth Proportional to 51,768.16, 77,690.82 and 38,471.80

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Solution

The fourth proportional to 51,768.16, 77,690.82 and 38,471.80 is: 57,736.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,768.16 : 77,690.82 = 38,471.80 : x
  2. Step 2: Convert to fraction form
    51,768.16/77,690.82 = 38,471.80/x
  3. Step 3: Cross multiply
    51,768.16x = 77,690.82 × 38,471.80
  4. Step 4: Simplify right side
    51,768.16x = 2,988,905,688.88
  5. Step 5: Solve for x
    x = 2,988,905,688.88/51,768.16
  6. Step 6: Final answer
    x = 57,736.37

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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.