Home / 39,280.87-58,921.31-32,340.79

Finding the Fourth Proportional to 39,280.87, 58,921.31 and 32,340.79

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Solution

The fourth proportional to 39,280.87, 58,921.31 and 32,340.79 is: 48,511.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,280.87 : 58,921.31 = 32,340.79 : x
  2. Step 2: Convert to fraction form
    39,280.87/58,921.31 = 32,340.79/x
  3. Step 3: Cross multiply
    39,280.87x = 58,921.31 × 32,340.79
  4. Step 4: Simplify right side
    39,280.87x = 1,905,561,713.23
  5. Step 5: Solve for x
    x = 1,905,561,713.23/39,280.87
  6. Step 6: Final answer
    x = 48,511.19

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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.