Home / 49,913.52-68,872.80-28,688.80

Finding the Fourth Proportional to 49,913.52, 68,872.80 and 28,688.80

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Solution

The fourth proportional to 49,913.52, 68,872.80 and 28,688.80 is: 39,586.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,913.52 : 68,872.80 = 28,688.80 : x
  2. Step 2: Convert to fraction form
    49,913.52/68,872.80 = 28,688.80/x
  3. Step 3: Cross multiply
    49,913.52x = 68,872.80 × 28,688.80
  4. Step 4: Simplify right side
    49,913.52x = 1,975,877,984.64
  5. Step 5: Solve for x
    x = 1,975,877,984.64/49,913.52
  6. Step 6: Final answer
    x = 39,586.03

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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.