Home / 49,432.77-68,222.10-28,215.23

Finding the Fourth Proportional to 49,432.77, 68,222.10 and 28,215.23

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Solution

The fourth proportional to 49,432.77, 68,222.10 and 28,215.23 is: 38,939.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,432.77 : 68,222.10 = 28,215.23 : x
  2. Step 2: Convert to fraction form
    49,432.77/68,222.10 = 28,215.23/x
  3. Step 3: Cross multiply
    49,432.77x = 68,222.10 × 28,215.23
  4. Step 4: Simplify right side
    49,432.77x = 1,924,902,001.49
  5. Step 5: Solve for x
    x = 1,924,902,001.49/49,432.77
  6. Step 6: Final answer
    x = 38,939.79

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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.