Home / 50,905.31-76,215.49-38,386.15

Finding the Fourth Proportional to 50,905.31, 76,215.49 and 38,386.15

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Solution

The fourth proportional to 50,905.31, 76,215.49 and 38,386.15 is: 57,471.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,905.31 : 76,215.49 = 38,386.15 : x
  2. Step 2: Convert to fraction form
    50,905.31/76,215.49 = 38,386.15/x
  3. Step 3: Cross multiply
    50,905.31x = 76,215.49 × 38,386.15
  4. Step 4: Simplify right side
    50,905.31x = 2,925,618,944.96
  5. Step 5: Solve for x
    x = 2,925,618,944.96/50,905.31
  6. Step 6: Final answer
    x = 57,471.79

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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.