Home / 49,508.94-74,282.86-21,787.50

Finding the Fourth Proportional to 49,508.94, 74,282.86 and 21,787.50

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Solution

The fourth proportional to 49,508.94, 74,282.86 and 21,787.50 is: 32,689.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,508.94 : 74,282.86 = 21,787.50 : x
  2. Step 2: Convert to fraction form
    49,508.94/74,282.86 = 21,787.50/x
  3. Step 3: Cross multiply
    49,508.94x = 74,282.86 × 21,787.50
  4. Step 4: Simplify right side
    49,508.94x = 1,618,437,812.25
  5. Step 5: Solve for x
    x = 1,618,437,812.25/49,508.94
  6. Step 6: Final answer
    x = 32,689.81

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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.