Home / 36,930.74-50,962.64-21,013.70

Finding the Fourth Proportional to 36,930.74, 50,962.64 and 21,013.70

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Solution

The fourth proportional to 36,930.74, 50,962.64 and 21,013.70 is: 28,997.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,930.74 : 50,962.64 = 21,013.70 : x
  2. Step 2: Convert to fraction form
    36,930.74/50,962.64 = 21,013.70/x
  3. Step 3: Cross multiply
    36,930.74x = 50,962.64 × 21,013.70
  4. Step 4: Simplify right side
    36,930.74x = 1,070,913,628.17
  5. Step 5: Solve for x
    x = 1,070,913,628.17/36,930.74
  6. Step 6: Final answer
    x = 28,997.89

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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.