Home / 49,751.84-68,666.72-28,531.20

Finding the Fourth Proportional to 49,751.84, 68,666.72 and 28,531.20

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Solution

The fourth proportional to 49,751.84, 68,666.72 and 28,531.20 is: 39,378.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,751.84 : 68,666.72 = 28,531.20 : x
  2. Step 2: Convert to fraction form
    49,751.84/68,666.72 = 28,531.20/x
  3. Step 3: Cross multiply
    49,751.84x = 68,666.72 × 28,531.20
  4. Step 4: Simplify right side
    49,751.84x = 1,959,143,921.66
  5. Step 5: Solve for x
    x = 1,959,143,921.66/49,751.84
  6. Step 6: Final answer
    x = 39,378.32

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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.