Home / 49,487.09-68,304.06-28,278.72

Finding the Fourth Proportional to 49,487.09, 68,304.06 and 28,278.72

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Solution

The fourth proportional to 49,487.09, 68,304.06 and 28,278.72 is: 39,031.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,487.09 : 68,304.06 = 28,278.72 : x
  2. Step 2: Convert to fraction form
    49,487.09/68,304.06 = 28,278.72/x
  3. Step 3: Cross multiply
    49,487.09x = 68,304.06 × 28,278.72
  4. Step 4: Simplify right side
    49,487.09x = 1,931,551,387.60
  5. Step 5: Solve for x
    x = 1,931,551,387.60/49,487.09
  6. Step 6: Final answer
    x = 39,031.42

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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.