Home / 49,787.42-68,706.10-28,570.02

Finding the Fourth Proportional to 49,787.42, 68,706.10 and 28,570.02

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Solution

The fourth proportional to 49,787.42, 68,706.10 and 28,570.02 is: 39,426.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,787.42 : 68,706.10 = 28,570.02 : x
  2. Step 2: Convert to fraction form
    49,787.42/68,706.10 = 28,570.02/x
  3. Step 3: Cross multiply
    49,787.42x = 68,706.10 × 28,570.02
  4. Step 4: Simplify right side
    49,787.42x = 1,962,934,651.12
  5. Step 5: Solve for x
    x = 1,962,934,651.12/49,787.42
  6. Step 6: Final answer
    x = 39,426.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.